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