#include <bits/stdc++.h>
using namespace std;
int main(){
	int a;
	cin>>a;
	if(a%400==0) cout<<"yes";
	else if(a%4==0&&a%100!=0) cout<<"yes";
	else cout<<"no";
	return 0;
	}
/**************************************************************
	Problem: 1646
	User: ljl2
	Language: C++
	Result: Accepted
	Time:11 ms
	Memory:2072 kb
****************************************************************/