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

/*int sosu(long long N){
	long long A;
	int J = 0;
	for (long long i1 = 2; i1 < N/2; i1++){
		A = (N / i1)*i1;
		if (A == N){
			J = 1;
			break;
		}
	}
	return J;

}*/

int main(){
	long long n;
	long long a;
	int cnt = 0;
	cin >> n;
	a = n;
	//int judge = 0;
	for (long long i = 2; i < sqrt(n); i++){
		while (a%i == 0){
			a /= i;
			cnt++;
		}
	}
	if (a != 1) cnt++;
	if (cnt >=3){
		cout << "YES" << endl;
	}
	else{
		cout << "NO" << endl;
	}

	return 0;
}