03_EnglishNameOfLastDigit

using System;

namespace _03_EnglishNameOfLastDigit
{
    class Program
    {
        static void Main()
        {
            long num = long.Parse(Console.ReadLine());
            GetNameOfLastDigit(num);
        }

        static void GetNameOfLastDigit(long num)
        {
            long lastDigit = Math.Abs(num % 10);
            string result = string.Empty;

            switch (lastDigit)
            {
                case 1:
                    result = "one";
                    break;
                case 2:
                    result = "two";
                    break;
                case 3:
                    result = "three";
                    break;
                case 4:
                    result = "four";
                    break;
                case 5:
                    result = "five";
                    break;
                case 6:
                    result = "six";
                    break;
                case 7:
                    result = "seven";
                    break;
                case 8:
                    result = "eight";
                    break;
                case 9:
                    result = "nine";
                    break;
                case 0:
                    result = "zero";
                    break;
            }

            Console.WriteLine(result);
        }
    }
}