using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("plese enter a number");

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

        switch (number)

        {

            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 10:

                Console.WriteLine("ten");

                break;

            default:

                  Console.WriteLine("error");

                  break;

        }

    }

}