using System;

public class Program

{

    public static void Main()

    {

        int n;

        while(true)

        {

            try

            {

            Console.Write("Enter Even Number");

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

                if(n %2 ==0)

                {

                break;

                }

            Console.WriteLine("The number is not even");

            }

            catch

            {

            Console.WriteLine("Invalid number!");

            }   

        }

        Console.WriteLine("Even number entered {0}",n);

    }

}