Digits in a number Program in C# (Sharp)

                   Digits to number Program in C# (Sharp)

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


    
namespace Digitstonumber
{
    class Program
    {
      
      static void Main(string[] args)
        {

            Int64 reverse = 0, remainder,reverse1=0;
            //Int64 num = Convert.ToInt64(args[0]);

            Int64 num = Convert.ToInt64(args[0]);
            //Console.WriteLine(num);
            while (num != 0)
            {   
                remainder = num % 10;
                reverse = reverse * 10 + remainder;
                num = num / 10;
           }
            
             Int64 a = reverse;
             
             while (a != 0)
            {
               
                remainder = a % 10;
                reverse1 = reverse1 * 10 + remainder;
                Console.Write(remainder); 
                Console.Write(" ");
                a = a / 10;
                
            }
             Console.Write("\r\n"); 
             Int64 a1 = reverse;
             while (a1 != 0)
             {

                 remainder = a1 % 10;
                 reverse1 = reverse1 * 10 + remainder;
                 Console.WriteLine(remainder);
                 Console.Write("");
                 a1 = a1 / 10;
             }
             Int64 a2 =  Convert.ToInt64(args[0]);
            
             while (a2 != 0)
             {
                 remainder = a2 % 10;
                 Console.Write(remainder);
                 Console.Write(" ");
                 a2 = a2 / 10;
             }
        }
    }
}