using System;

public class Program

{

    public static void Main()

    {

        int n, i, c = 0;

                for (i = 1; i <= 10; i += 2)

                {

                    Console.Write("Enter the Number to check Prime: ");

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

                    if (n == 1) Console.Write("Number is  Prime.");

                    if (n % 2 == 0) Console.Write("Number is not Prime.");

                    if (n % 2 != 0)

                    if (n % i == 0) c++;

                }

            }

            if(c==10)

                Console.Write("Number is  Prime.");

            else

                Console.Write("Number is not Prime.");

    }

}