#include<stdio.h>
int main()
{
int i = 5;
while(i-- >= 0)
i = 5;
while(i-- >= 0)
while(i-- >= 0)
return 0;
}
I2luY2x1ZGU8c3RkaW8uaD4KIGludCBtYWluKCkKIHsKICAgICBpbnQgaSA9IDU7CiAgICAgd2hpbGUoaS0tID49IDApCiAgICAgICAgIHByaW50ZigiJWQsIiwgaSk7CiAgICAgaSA9IDU7CiAgICAgcHJpbnRmKCJcbiIpOwogICAgIHdoaWxlKGktLSA+PSAwKQogICAgICAgICBwcmludGYoIiVpLCIsIGkpOwogICAgIHdoaWxlKGktLSA+PSAwKQogICAgICAgICBwcmludGYoIiVkLCIsIGkpOwogICAgIHJldHVybiAwOwogfQ==
4,3,2,1,0,-1,
4,3,2,1,0,-1,