Help

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

namespace TestModule
{
    class Program
    {
        static void Main(string[] args)
        {
            while(true)
            {

                try
                {
                    Console.Write("Enter even number: ");
                    int n = int.Parse(Console.ReadLine());

                    if(n % 2 == 0)

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

                    else
                    {
                        Console.WriteLine("The number is not even.");
                        //Console.Write("Enter even number: ");

                        //int num = int.Parse(Console.ReadLine());

                    }

                    //{

                    //    Console.WriteLine("Invalid number!");
                    //    Console.Write("Enter even number: ");
                    //    int num = int.Parse(Console.ReadLine());

                    //    if(num % 2 == 0)

                    //    {
                    //        Console.WriteLine("Even number entered: {0}" , num);
                    //    }
                    //    else
                    //    {
                    //        Console.WriteLine("The number is not even.");
                    //        Console.Write("Enter even number: ");

                    //        int num1 = int.Parse(Console.ReadLine());
                    //    }
                    //}
                }
                catch(Exception)
                {
                    Console.WriteLine("Invalid number!");
                }
            }
        }
    }
}