#include <bits/stdc++.h>
using namespace std;
int main()
{
	int a,b;
	cin>>a;
	if(a%4==0)
    {
        if(a%100==0)
        {
            if(a%400==0)
            {
                cout<<"yes";
                return 0;
            }
        }
        else
        {
           cout<<"yes";
           return 0;
        }
    }
    cout<<"no";
	return 0;
}