using System;

public class Program

{

    public static void Main()

    {

        int n = int.Parse(Console.ReadLine());

        bool isReal=true;

        for(int i = 0;i<=n;i++)

        {

            for(int j = 0;j<n;j++)

            {   if(i*j==n&&i!=n&&j!=n){

                {

                    if(isReal == true)

                        Console.WriteLine("No, it is not Prime number");

                    isReal = false;

                }

            }

             if(isReal==true)

             {  if(i*j==n)

                   Console.WriteLine("Yes, it is Prime number");

             }

            }

        }

    }

}