08.DigitAsWord

using System;

class ConvertingOfDigit
{
    static void Main()
    {
        Console.Write("Enter a number (from 0 to 9):");
        string numStr = Console.ReadLine();

        switch (numStr)
        {
            case "0": Console.WriteLine("Zero");
                break;
            case "1": Console.WriteLine("One");
                break;
            case "2": Console.WriteLine("Two");
                break;
            case "3": Console.WriteLine("Three");
                break;
            case "4": Console.WriteLine("Four");
                break;
            case "5": Console.WriteLine("Five");
                break;
            case "6": Console.WriteLine("Six");
                break;
            case "7": Console.WriteLine("Seven");
                break;
            case "8": Console.WriteLine("Eight");
                break;
            case "9": Console.WriteLine("Nine");
                break;
            default: Console.WriteLine("Not a digit.");
                break;
        }
    }
}