using System;

public class Program

{

    static string LastDigit()

    {

        int num = int.Parse(Console.ReadLine());

        int last = num % 10;

        string digit = null;

        switch (last)

        {

            case 0: digit = "zero"; break;

            case 1: digit = "one"; break;

            case 2: digit = "two"; break;

            case 3: digit = "three"; break;

            case 4: digit = "four"; break;

            case 5: digit = "five"; break;

            case 6: digit = "six"; break;

            case 7: digit = "seven"; break;

            case 8: digit = "eight"; break;

            case 9: digit = "nine"; break;

        }

        Console.WriteLine(digit);

        return digit;

    }

    public static void Main()

    {

        LastDigit();

    }

}

​

//Write a method that returns the English name of the last digit of a

//given number. Example: for 512 prints "two"; for 1024  "four".