using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

    }

    public static void printdessert(dessert[]d)

    {

        for(int i=0; i<d.Length; i++)

        {

            if(d[i] is cake)

            {

                Console.WriteLine(d[i].Getcost());

            }

    }

}

public class dessert

{

    protected string name;

    protected int cost;

    protected int amount;

    private dessert[]d;

    public dessert(string name, int cost, int amount)

    {

        this.name = name;

        this.cost = cost;

        this.amount = amount;

        dessert[]d = new dessert[500];

    }

    public string Getname()

    {

        return this.name;

    }

    public int Getcost()

    {

        return this.cost;

    }

    public int Getamount()

    {

        return this.amount;

    }

    public void Setname(string name)

    {

        this.name=name;

    }

    public void Setcost(int cost)

    {

        this.cost = cost;

    }

    public void Setamount(int amount)

    {

        this.amount = amount;

    }

    public int totalcost()

    {

        return Getcost() * Getamount();

    }

    public override string ToString()

    {

        return Getname() +","+ Getamount() +","+ totalcost();

    }

}

public class froze:dessert

{

    private int temp;

​

    public froze(string name, int cost, int amount):base(name,cost,amount)

{

this.name = name;

this.cost = cost;

this.amount = amount;

this.temp = -4;

}

​

public int Gettemp()

{

return this.temp;

}

public void Settemp(int temp)

{

this.temp = temp;

}

​

public override string ToString()

{

return Getname() +","+ Getamount() +","+ totalcost() +","+ Gettemp();

}

}

​

public class cake:dessert

{

private int numpie;

​

public cake(string name, int cost, int amount, int numpie):base(name,cost,amount)

{

this.name = name;

this.cost = cost;

this.amount = amount;

this.numpie = numpie;

}

public int Getnumpie()

{

    return this.numpie;

}

public void Setnumpie(int numpie)

{

    this.numpie = numpie;

}

public int piecesprice()

{

    return Getcost() - (Getcost()*Getnumpie());

}

}

}