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