3036 判断闰年

#include<bits/stdc++.h>
#define f(i,s,e) for(int i = s; i <= e; i++)
#define ll long long
using namespace std;
const int N = 1e3+10,inf = 0x3f3f3f3f;

int main()
{
    int year;
    cin >> year;
    //能被4整除，但不能被100整除 
    if(year % 4 == 0 && year % 100 != 0)
        cout << "YES";
    else if(year % 400 == 0) //或者能被400整除
        cout << "YES";
    else
        cout << "NO"; 
    return 0;
}