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

namespace EnglNameLastDigit
{
    class EnglNameLastDigit
    {
        //static void EnglishNameOfLastDigitOFNumber(int num)
        //{
        //    int lastDigit = Math.Abs(num) % 10;
        //    switch (lastDigit)
        //    {
        //        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;
        //        case 0: Console.WriteLine("zero");break;
        //        default: break;
        //    }
        //}

        static string ReturnString(int num)
        {
            int lastdigit = Math.Abs(num) % 10;
            string temp = "";
            switch (lastdigit)
            {
                case 1: temp = "one"; break;
                case 2: temp = "two"; break;
                case 3: temp = "three"; break;
                case 4: temp = "four"; break;
                case 5: temp = "five"; break;
                case 6: temp = "six"; break;
                case 7: temp = "seven"; break;
                case 8: temp = "eight"; break;
                case 9: temp = "nine"; break;
                case 0: temp = "zero"; break;
            }

            return temp;
        }

        static void Main(string[] args)
        {
            int input = int.Parse(Console.ReadLine());

            Console.WriteLine(ReturnString(input));
            //EnglishNameOfLastDigitOFNumber(input);
        }
    }
}