#include<bits/stdc++.h>
using namespace std;

int main() {
    int a;
    cin >> a;
    if (a % 4 == 0 && a % 100 != 0 || a % 400 == 0)
        cout << "yes";
    else
        cout << "no";
    return 0;
}
/**************************************************************
    Problem: 1284
    User: acm
    Language: C++
    Result: 正确
    Time:0 ms
    Memory:2016 kb
****************************************************************/