using System; using System.Collections.Generic; using System

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

namespace English_Name_of_Last_Digit
{
    class Program
    {
        static void Main(string[] args)
        {
            int num = int.Parse(Console.ReadLine());
            int lastDigit = num % 10;

            string[] numbers = { "zero", "one", "two", "tree", "four",
                "five", "six", "seven", "eight", "nine"};
            if(num >= 0 || num <= 9)
            {
                Console.WriteLine(numbers[lastDigit]);
            }
        }
    }
}