#include <stdio.h>
int main(void) {
int a,b;
if(a<b)
else if(a>b)
else
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CgkKCWludCBhLGI7CgoJc2NhbmYoIiVkICVkIiwmYSwmYik7CgoJaWYoYTxiKQoJCgkJcHJpbnRmKCIlZDwlZFxuIixhLGIpCTsKCgllbHNlIGlmKGE+YikKCgkJcHJpbnRmKCIlZD4lZFxuIixhLGIpOwoKCWVsc2UKCgkJcHJpbnRmKCIlZD09JWRcbiIsYSxiKTsKCgoJcmV0dXJuIDA7Cn0K