#include<iostream>
#include<algorithm>
#include<cstdio>
#include<cstring>
#include<cmath>
#include<cstdlib>
using namespace std;
int n;
int main(){
	scanf("%d",&n);
	bool srn=((n%4==0&&n%100!=0)||(n%400==0));
	printf("%d",srn);
	return 0;
}

没用if算分支吗？