#define _USE_MATH_DEFINES
#include<stdio.h>
#include<string>
#include<iostream>
#include<cctype>
#include<cstdio>
#include<vector>
#include<stack>
#include<queue>
#include <algorithm>
#include<math.h>
#include<set>
#include<map>
#include<iomanip>

//#include<bits/stdc++.h>



using namespace std;




int main() {
	
	long long int a;
	cin>>a;

	int t=0;
	vector<int>r;
	for(long long int i=2;i*i<=a;i++)if(a%i==0){
		///r.push_back(i);
		//cout<<i;
		if(i%2==0){
				cout<<"YES"<<endl;
				return 0;
			}

		for(int j=3;j*j<=i;j+=2){
			if(i%j==0){
				cout<<"YES"<<endl;
				return 0;
			}
		}
	}
	/*
	int y=0;
	while(y<r.size()){
		for(int i=2;)

	}
	*/
	cout<<"NO"<<endl;
	return 0;
}