#include <iostream>
#include <cstdio>
#include <vector>
#include <algorithm>
#include <utility>

using namespace std;

int main() {
	long long n;

	cin >> n;
	int count = 0;
	for (long long i = 2; i * i <= n; ) {
		if (n % i == 0) {
			count++;
			n /= i;
			if (count >= 3) {
				break;
			}
		} else {
			i++;
		}
	}
	if (count < 3 && n > 1) {
		count++;
	}
	cout << (count >= 3 ? "YES" : "NO") << endl;
	return 0;
}