using System;

public class Program

{

    public static void Main()

    {

     //rUBÉN aLMONTE //ORDER MY NUMBER.

        string name;

        int number;

        Console.Write("Hello! What`s your first name? ");

        name = Console.ReadLine();

        switch (name)

            {

                case "RUBEN":

                   Console.WriteLine("OMG!!! You stole my name, just kidding. Congrats for having the best name in entire world.");

                    break;

                case "Ruben":

                   Console.WriteLine("OMG!!! You stole my name, just kidding. Congrats for having the best name in entire world.");

                    break;

                case "ruben":

                    Console.WriteLine("OMG!!! You stole my name, just kidding. Congrats for having the best name in entire world.");

                    break;

​

                default:

                     Console.WriteLine("Welcome!");

                     break;

            }   

        Console.Write("Ok, so now give me a number from 1-20 and I will tell you if it is ODD or EVEN.");

        Console.WriteLine();

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

        switch (number)

        {

            case 1:

            case 3:

            case 5:

            case 7:

            case 9:

            case 11:

            case 13:

            case 15:

            case 17: 

            case 19:

                Console.WriteLine("The given number is ODD.");

                    break;

            case 2:

            case 4:

            case 6:

            case 8:

            case 10:

            case 12:

            case 14:

            case 16:

            case 18: 

            case 20:

                Console.WriteLine("The given number is EVEN.");

                    break;

            default:

                     Console.WriteLine("Your number is invalid, please try again.");

                     break;

        }

    }

}