#include<iostream>
#include<string>
#include<math.h>
using namespace std;

int main(){
	int n;
	int a;
	cin >> n;
	int judge = 0;
	for (int i = 2; i < n; i++){
		a = (n / i) * i;
		if (a == n){
			judge = 1;
			break;
		}
	}
	if (judge == 1){
		cout << "YES" << endl;
	}
	else{
		cout << "NO" << endl;
	}

	return 0;
}