using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Please enter your score:");

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

        if (score > 100)

        {   

            Console.WriteLine("What a great score! Well done.");

        }

        if (score < 50)

        {

            Console.WriteLine("That was rubbish. Get practicing.");

        }

        else

        {

            Console.WriteLine("That was ok.");

        }

    }

}