EnglishNameOfLastDigit

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

namespace Problem03_EnglishNameOfLastDigit
{
    class LastDigit
    {
        static void Main(string[] args)
        {
            int num = int.Parse(Console.ReadLine());

            int lastDigit = PrintNameDigit(num);

            switch (lastDigit)
            {
                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("Invalid number");
                    break;
            }
        }

        static int PrintNameDigit(int num)
        {
            int divide = num % 10;

            return divide;

        }
    }
}