Contest1389/1389K.cpp

#include<bits/stdc++.h>
using namespace std;
int main() {
    int y;
    cin >> y;
    if(y % 4 == 0 && y % 100 != 0 || y % 400 == 0)
    { cout << "yes"; }
    else
    { cout << "no"; }
    return 0;
}