using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        Console.WriteLine(speedLimit(30));

        Console.WriteLine(speedLimit(80));

    }

    public static string speedLimit(int speed) {

        int speedLimit = 60;

        bool overLimit = false;

        int points = 0;

        int difference = 0;

        if (speed > speedLimit) {

            overLimit = true;

            difference = speed - speedLimit;

            points = difference / 5;            

        }

        return overLimit == true ? string.Format("You have broken the speed limit, your speed was {0} which is {1} kph over the speed limit: {2}. You will receive {3} penalty points",speed, difference, speedLimit, points) : "You have not broken the speedLimit"; 

​

    }

}