using System;

namespace _02._English_Name_of_the_Last_Di
{
    class Program
    {
        static void Main(string[] args)
        {
            int number = int.Parse(Console.ReadLine());

            int lastDigit = number % 10;

            string digitName = lastDigit == 1 ? "one" :
                lastDigit == 2 ? "two" :
                lastDigit == 3 ? "three" :
                lastDigit == 4 ? "four" :
                lastDigit == 5 ? "five" :
                lastDigit == 6 ? "six" :
                lastDigit == 7 ? "seven" :
                lastDigit == 8 ? "eight" :
                lastDigit == 9 ? "nine" : "zero";

            Console.WriteLine(digitName);

        }
    }
}