#include <iostream>
#include <map>
using namespace std;
int main(){
	long long a;cin>>a;
	map<long long, int> X;
	for(long long i = 2; a >= i*i; i++){
		while(a%i == 0){
			X[i]++;
			a/=i;
		}
	}
	if(a!=1)X[a]++;
	if(X.size() <= 2)cout << "Yes" << endl;
	else cout << "No" << endl;
	
}