欢迎来到删掉一个下划线都不能正常运行系列（憋）
#include<bits/stdc++.h>
#define _ long
#define __ cin
#define ___ return
#define ____ {
#define _____ using
#define ______ int
#define _______ =
#define ________ string
#define _________ main
#define __________ )
#define ___________ ;
#define ____________ typedef
#define _____________ namespace
#define ______________ <
#define _______________ }
#define ________________ .
#define _________________ size
#define __________________ (
#define ___________________ if
#define ____________________ <<
#define _____________________ [
#define ______________________ ==
#define _______________________ ++
#define ________________________ cout
#define _________________________ !
#define __________________________ for
#define ___________________________ >>
#define ____________________________ ]
#define _____________________________ std
#define ______________________________ ll
#define _______________________________ else
#define ________________________________ 0
#define _________________________________ n
#define __________________________________ '1'
#define ___________________________________ g
#define ____________________________________ i
#define _____________________________________ 1
#define ______________________________________ '0'
_____ _____________ _____________________________ ___________
____________ _ _ ______________________________ ___________
________ _________________________________ ___________
______ ___________________________________ _______ ___________________________________ ___________
______ _________ __________________ __________ ____
__ ________________________ _________________________________ ___________
__________________________ __________________ ______ ____________________________________ _______ ________________________________ ___________ ____________________________________ ______________ _________________________________ ________________ _________________ __________________ __________ ___________ __________________________________ _______________________ __________ ____
___________________ __________________ _________________________ ________________________________ __________ ____
_________________________________ _____________________ ____________________________________ ____________________________ _______ __________________________________ ___________
_______________ _______________________________ ____
___________________ __________________ _________________________________ _____________________ ____________________________________ ____________________________ ______________________ ______________________________________ __________ ____
_________________________________ _____________________ ________________________________ ____________________________ _______ __________________________________ ___________
___________________________________ _______ ________________________________ ___________
_______________
_______________
_______________
________________________ ____________________ _________________________________ ___________
___ _____________________________ ___________
_______________
