#include <vector>
#include <list>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <algorithm>
#include <sstream>
#include <iostream>
#include <string>
#include <cstdio>
#include <cmath>

using namespace std;

int main() {

	long long N; 
	cin >> N;

	int cnt = 0;
	
	/*
	for (long long i = 2; i*i <= N; i++) {
		if (N % i == 0) {
			long long t = N;
			while (t % i == 0) {
				cnt++;
				t /= i;
			}
		}
	}
	*/

	for (long long p = 2; p*p <= N; p++) {
		while (N % p == 0) {
			cnt++;
			N /= p;
		}
	}
	if (N != 1) cnt++;

	//cout << "cnt: " << cnt << endl;

	if (cnt >= 3) cout << "YES" << endl;
	else cout << "NO" << endl;

	return 0;
}