#include <iostream>
using namespace std;
typedef long long int ll;
int main(){
	ll n;	cin>>n;
	int cnt=0;
	for(int i=2;i*i<=n;i++){
		if(n%i==0){
			cnt++;
			n/=i;
			i--;
			if(cnt>=3){
				break;
			}
		}
	}
	if(n>=2)	cnt++;
	if(cnt>=3)	cout<<"YES"<<endl;
	else 		cout<<"NO"<<endl;
	return 0;
}