#include <iostream>
using namespace std;

int main() {
    int a;
    cin >> a;
    if((a % 400 == 0) || (a % 4 == 0 && a % 100 != 0)) cout << "yes" << endl;
    else cout << "no" << endl;
    return 0;
}

// 64 位输出请用 printf("%lld")