#include <bits/stdc++.h>
using namespace std;
int main()
{
    int n, flag = 0;
    scanf("%d", &n);
    if (n >= 1000 && n <= 1000000)
    {
        if ((n % 4 == 0 && n % 100 != 0) || n % 400 == 0)
        {
            flag = 1;
        }
    }
    if (flag == 0)
    {
        cout << "NO" << endl;
    }
    else
    {
        cout << "YES" << endl;
    }

    return 0;
}