﻿//Write a program that asks for a digit (0-9), and depending on the input, shows the digit as a word (in English).
//Print “not a digit” in case of invalid input.
//Use a switch statement.

using System;

class DigitAsWord
{
    static void Main()
    {
        Console.Write("Enter digit (0-9): ");
        string digit = Console.ReadLine();

        switch (digit)
        {
            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;
        }
    }
}

