Print Last Digit of Int (Exercise)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;

namespace ConsoleTesting3
{
    class ConsoleTesting3
    {
        private static void Main()
        {
            PrintLastDigit(int.Parse(Console.ReadLine()));
        }

        static void PrintLastDigit(int number)
        {
            string temp = number.ToString();
            string lastDigit = Convert.ToString(temp[temp.Length-1]);
            switch (lastDigit)
            {
                case "1":
                    lastDigit = "one";
                    break;
                case "2":
                    lastDigit = "two";
                    break;
                case "3":
                    lastDigit = "three";
                    break;
                case "4":
                    lastDigit = "four";
                    break;
                case "5":
                    lastDigit = "five";
                    break;
                case "6":
                    lastDigit = "six";
                    break;
                case "7":
                    lastDigit = "seven";
                    break;
                case "8":
                    lastDigit = "eight";
                    break;
                case "9":
                    lastDigit = "nine";
                    break;
                case "0":
                    lastDigit = "zero";
                    break;

            }

            Console.WriteLine(lastDigit);

        }


    }
}