ReturnDigitToWord

using System;

class ReturnDigitToWord
    {
        static int ConvertDigitToWord(int number)
        {
            int result = number % 10;
            switch (result)
            {
                case 0: Console.WriteLine("{0} -> zero", number);
                    break;
                case 1: Console.WriteLine("{0} -> one", number);
                    break;
                case 2: Console.WriteLine("{0} -> two", number);
                    break;
                case 3: Console.WriteLine("{0} -> three", number);
                    break;
                case 4: Console.WriteLine("{0} -> four", number);
                    break;
                case 5: Console.WriteLine("{0} -> five", number);
                    break;
                case 6: Console.WriteLine("{0} -> six", number);
                    break;
                case 7: Console.WriteLine("{0} -> seven", number);
                    break;
                case 8: Console.WriteLine("{0} -> eight", number);
                    break;
                case 9: Console.WriteLine("{0} -> nine", number);
                    break;
                default: Console.WriteLine("Incorrect input!");
                    break;

            }
            return result;
        }

        static void Main()
        {
           Console.Write("Enter number: ");
           int number = int.Parse(Console.ReadLine());
           ConvertDigitToWord(number);
        }
    }