#include <stdio.h>
int main(void){
int num;
int cnt=0;
while(cnt<num){
cnt=cnt+1;
}
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKXsKCWludCBudW07CglpbnQgY250PTA7CglzY2FuZigiJWQiLCZudW0pOwoJd2hpbGUoY250PG51bSl7CgkJcHJpbnRmKCIqIik7CgkJY250PWNudCsxOwoJfQoJcmV0dXJuIDA7Cn0K