using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            int i = 1, szam = 0, db = 0;
            szam = int.Parse(Console.ReadLine());
            while (i <= szam)
            {
                if (szam % i == 0)
                {
                    db++;
                }
                i++;
            }
            if (db == 2)
                Console.WriteLine("Prím");
            else
                Console.WriteLine("Nem prím");
        }
    }
}