#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int (i) = 0 ; (i) < (int)(n) ; (i)++)
#define REP(i,a,b) for(int (i) = a ; (int)(i) <= (int)(b) ; (i)++)
#define all(n) (n).begin(),(n).end()
typedef vector<int> Vi;
typedef vector<Vi> VVi;
typedef pair<long long,long long> Pii;
typedef vector<Pii> VPii;


int main(){
	long long N;
	cin >> N;
	int c = 0;
	for(long long i = 2 ; i*i <= N ; i++){
		while( N % i == 0 ){
			N /= i;
			c++;
		}
	}
	if( N != 1 ) c++;
	
	if( c >= 3 ){
		cout << "YES" << endl;
	}else{
		cout << "NO" << endl;
	}
}