DigitName

using System;

class digitName
{
    static void Main(string[] args)
    {

        Console.WriteLine("Please enter a number from 0 to 20:");
        int number;
        int.TryParse(Console.ReadLine(), out number);
        string switchOutput = "";

        switch (number)
        {

            case 0:
                switchOutput = "Zero";
                break;
            case 1:
                switchOutput = "One";
                break;
            case 2:
                switchOutput = "Two";
                break;
            case 3:
                switchOutput = "Three";
                break;
            case 4:
                switchOutput = "Four";
                break;
            case 5:
                switchOutput = "Five";
                break;
            case 6:
                switchOutput = "Six";
                break;
            case 7:
                switchOutput = "Seven";
                break;
            case 8:
                switchOutput = "Eight";
                break;
            case 9:
                switchOutput = "Nine";
                break;
            case 10:
                switchOutput = "Ten";
                break;
            case 11:
                switchOutput = "Eleven";
                break;
            case 12:
                switchOutput = "Twelve";
                break;
            case 13:
                switchOutput = "Thirteen";
                break;
            case 14:
                switchOutput = "Fourteen";
                break;
            case 15:
                switchOutput = "Fifteen";
                break;
            case 16:
                switchOutput = "Sixteen";
                break;
            case 17:
                switchOutput = "Seventeen";
                break;
            case 18:
                switchOutput = "Eighteen";
                break;
            case 19:
                switchOutput = "Nineteen";
                break;
            case 20:
                switchOutput = "Twenty";
                break;
            default:
                switchOutput = "Invalid Input! Please make sure you entered a right input value";
                break;

        }

        Console.WriteLine("The English name of the number {0} is: {1}", number, switchOutput);
    }
}