#include<bits/stdc++.h>
#define faster ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
using namespace std;
void solution ()
{
    int year; cin >> year;
    if (((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0)){
        cout << "YES" << '\n';
    }
    else
        cout << "NO" << '\n';

}
int main()
{
    faster
    int t=1 ;
    //cin >> t ;
    while(t--)
    {
        solution();
    }
}