#include <stdio.h>
int main(void) {
int year;
if(year%4==0 && 100%year!=0 && 400%year==0){
}
else if(year%4==0 && 100%year!=0 && 400%year==0){
}
else
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CglpbnQgeWVhcjsKCXNjYW5mKCIlZCIsJnllYXIpOwoJCglpZih5ZWFyJTQ9PTAgJiYgMTAwJXllYXIhPTAgJiYgNDAwJXllYXI9PTApewoJCXByaW50ZigiMSIpOwoJfQoJZWxzZSBpZih5ZWFyJTQ9PTAgJiYgMTAwJXllYXIhPTAgJiYgNDAwJXllYXI9PTApewoJCXByaW50ZigiMCIpOwoJfQoJZWxzZQoJCXByaW50ZigiMCIpOwoJcmV0dXJuIDA7Cn0KCg==