class SportsShoe
begin

    property String model;      // what kind of shoe it is
    property double speedBoost; // the boosting factor of the shoe

    // constructor goes here:

    // Useful method for debugging
    public method String toString()
    begin
        return "I am a shoe called " + model + " and my boosting factor is " + speedBoost;
    end
end

class Runner
begin
    private property String     name;  // Runner's name.
    private property int        speed; // speed of runner in km/hr.
    private property SportsShoe shoes; // which shoe they are wearing.

    // constructor goes here:

    // Useful method for debugging
    public method String toString()
    begin
        return "I am a runner and my name is " + name + " and my shoes are " + shoes;
    end
    /**
    *** This private method computeSpeed works out the runners speed,
    *** based on their basic speed and the speed boost due to the
    *** SportsShoe that they are currently wearing.
    */

    // method goes here:


    /**
    ** Prints the result of racing two runners against each other.
    */
    function void race(Runner r1, Runner r2)
    begin
        if (r1.computeSpeed()>r2.computeSpeed())
        then begin
            System.out.println("Runner " + r1.name + " beats " + r2.name);
        end
        else begin
            System.out.println("Runner " + r2.name + " beats " + r1.name);
        end
    end
    /**
    ** Swaps the shoes of two runners.
    */
    function void swapShoes(Runner r1, Runner r2)
    begin
        var SportsShoe tempShoe = r1.shoes;
        r1.shoes = r2.shoes;
        r2.shoes = tempShoe;
    end
end

class RunnerTest
begin
    beginMain
        var SportsShoe nike    = new SportsShoe("Nike NX-71", 2.0);
        var SportsShoe reebock = new SportsShoe("Reebock R20", 2.3);
        var SportsShoe puma    = new SportsShoe("Puma P200-MMX",4.8);

        var Runner sg = new Runner("Speedy Gonzalez", 55, nike);
        var Runner sw = new Runner("Slick Willy", 49, reebock);
        var Runner fa = new Runner("Fat Albert", 15, puma);

        Runner.race(sg,sw);
        // Runner.race(sg,sw,fa);
        // sg.raceAgainst(sw);
    endMain
end