using System;


namespace EnglishNameOfTheLastDigit
{
    public class EnglishNameOfTheLastDigit
    {
        public static void Main()
        {

            RepresentDigitToWord();
        }

        public static int ReturnLastDigit()
        {
            int number = int.Parse(Console.ReadLine()) % 10;

            return number;

        }

        public static void RepresentDigitToWord()
        {

            switch (ReturnLastDigit())
            {
                case 0:
                    Console.WriteLine("zero");
                    break;
                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;

                default:
                    break;

            }
        }
    }
}