using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Carlos Ivan Lopez Aldava");

           int dayno;

​

           Console.Write("\n\n");

           Console.Write("Accept day number and display its equivalent day name in word:\n");

           Console.Write("----------------------------------------------------------------");

           Console.Write("\n\n");

​

start:

   Console.Write("Input Day No : ");

   dayno = Convert.ToInt32(Console.ReadLine());

​

   switch(dayno)

   {

    case 1:

           Console.Write("Monday \n");

           break;

    case 2:

           Console.Write("Tuesday \n");

           break;

    case 3:

           Console.Write("Wednesday \n");

           break;

    case 4:

           Console.Write("Thursday \n");

           break;

    case 5:

           Console.Write("Friday \n");

           break;

    case 6:

           Console.Write("Saturday \n");

           break;

    case 7:

           Console.Write("Sunday  \n");

           break;

    default:

           Console.Write("Invalid day number. \nPlease try again ....\n");

           goto start;

      }

    }

}