C++ :

#include<bits/stdc++.h>
using namespace std;
int main()
{
	//freopen("5.in","r",stdin);	
//freopen("5.out","w",stdout);
int n;
cin>>n;
int i=2;
while(n!=1)
{
	if(i>5)
	{
		cout<<"no";
		return 0;
	}
	while(n%i==0)
	{
		n/=i;
	}
	i++;
	
} 

cout<<"yes";
return 0;
}