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

/**************************************************************
	Problem: 1646
	User: ccccccccccx
	Language: C++
	Result: Accepted
	Time:12 ms
	Memory:2072 kb
****************************************************************/