A program that asks for a digit (0-9), and depending on the input, shows the digit as a word (in English)

DigitToWords.cs

 class Program
    {
        static void Main(string[] args)
        {
            Console.Write("Enter a number: ");
            int number = Int32.Parse(Console.ReadLine());

            switch (number)
            {
                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("Wrong input"); break;
            }
        }
    }