using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Please enter a guess.");

        start:

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

        if (guess == 18)

            Console.WriteLine("You Win!");

        else if (guess < 18)

            { Console.WriteLine("Pick a higher number");

            goto start; }

        else if (guess > 18)

            { Console.WriteLine("Pick a lower number");

            goto start; }

    }

}