3 lần

Thì tích tăng đúng 3 lần.

so be  la                                                                                                                                                                  ( 180 - 2) : 2 = 89                                                                                                                            so lon la                                                                                                                                                                    89+2=91                                                                                                                                        vi hai so le lien tiep cach deu nhau 2 don vi nen hieu cua chung la 2           

89 và 91 

\(A=1.3+3.5+5.7+...+97.99\)

\(\Rightarrow6A=1.3.6+3.5.\left(7-1\right)+5.7.\left(9-3\right)+...+97+99.\left(101-95\right)\)

\(\Rightarrow6A=1.3.6+3.5.7-1.3.5+5.7.9-3.5.7+...+97.99.101-95.97.99\)

\(\Rightarrow6A=1.3.6+97.99.101-1.3.5\)

\(\Rightarrow6A=3.\left(1+97.33.101\right)\)

\(\Rightarrow2A=1+323301\)

\(\Rightarrow2A=323302\)

\(\Rightarrow A=161651\)

ảnh bị lỗi r 

hh'

hh

thằng đi trước cầm ĐẦU VÌ NÓ LÀ ĐẠI CA

Thằng đó/"cầm đầu/"tức là đại ca cầm đầu,nó ko phải cầm vật gì hết

20 Ngàn vì thằng mù và ba của thằng điếc là 2 người ma mỗi tô phở là 10 ngàn

20 ngàn đồng

Vì thằng mù và ba của thằng điếc mà !

םyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםyםy 

151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515

151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515

1h30 vì mỗi con mèo ăn một con chuột in time =nhau

3 tiếng bạn đã gặp dạng này rồi đừng lo

Ta có x+y=a+b

(x+y)²=(a+b)²

x²+2xy+y²=a²+2ab+b²

Mà x²+y²=a²+b²

Suy ra 2xy=2ab

Suy ra xy=ab

a²-ab+b²=x²-xy+y²

(a+b)(a²-ab+b²)=(x+y)(x²-xy+y²)

a³+b³=x³+y³