#include <bits/stdc++.h>
using namespace std;
int main(){
	int n;
	scanf("%d",&n);
	if ((n%4==0 && n%100!=0) || (n%400==0)){
		cout<<"yes"<<endl;
	}
	else {
		cout<<"no"<<endl;
	}
} 
/**************************************************************
	Problem: 1646
	User: xiaojingxuan
	Language: C++
	Result: Accepted
	Time:12 ms
	Memory:2072 kb
****************************************************************/