#include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>
int main() {
int T,N;
while(T--)
{
}
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CiNpbmNsdWRlIDxzdHJpbmcuaD4KI2luY2x1ZGUgPG1hdGguaD4KI2luY2x1ZGUgPHN0ZGxpYi5oPgoKaW50IG1haW4oKSB7CgogICAgaW50IFQsTjsKICAgIHNjYW5mKCIlZCIsJlQpOwogICAgd2hpbGUoVC0tKQogICAgICAgIHsKICAgICAgICBzY2FuZigiJWQiLCZOKTsKICAgICAgICBwcmludGYoIiVkXG4iLE4rMSk7CiAgICB9CiAgICByZXR1cm4gMDsKfQo=