using System;

public class Program

{

    public static void Main()

    {

        //ADAIR CARO

        int lel;

        int lil;

        Console.WriteLine("Hello,Tell me a positive number higher than 20.");

        lel = 20;

        for (int i = 1; i <= lel; i++)

            {

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

            {

                if (lil > lel )

                    Console.WriteLine("Good Job!");

                else if ( lil < lel )

                    Console.WriteLine("A number higher than 20!");

                }

    }

    }

}

​