#include <iostream>
using namespace std;

int main() {
    int n;
    cin>>n;
    if (n%400==0){
        cout<<"yes"<<endl;
    }else if(n%4==0 && n%100!=0){
        cout<<"yes"<<endl;
    }else{
            cout<<"no"<<endl;
        }
}
    
    
// 64 位输出请用 printf("%lld")