class Pizza {
 
  boolean thinCrust;
  String sauce;
  Topping top;

  Pizza( boolean thinCrust, String sauce, Topping top) {
    this.thinCrust = thinCrust;
    this.sauce = sauce;
    this.top = top;
  }

  //new Pizza(true, "red", new Pepperoni(15)).price() -> 7.5
  //To caluclate the price of this Pizza
  double price() {
    // ... this.thinCrust ... this.sauce ... this.top.ToppingMethod()
    return 6.0 + this.top.price();
  }

  //new Pizza(true, "red", new Pepperoni(15)).profit() -> 4.0
  //To calculate the profit made from this Pizza
  double profit() {
    // ... this.thinCrust .. this.sauce ... this.top.ToppingMethod()
    return this.price() - this.cost();
  }

  //new Pizza(true, "red", new Pepperoni(15)).cost() -> 3.5
  //To calculate the cost of this Pizza
  double cost() {
   // ... this.thinCrust ... this.sauce ... this.top.ToppingMethod()
   return 2.0 + this.top.cost();
  }

  //new Pizza(true,"white",new ExtraCheese(5)).ownersFav() == true
  //new Pizza(false,"red",new Pepperoni(20)).ownersFav() == false
  //To determine if this Pizza is the owners favorite kind
  boolean ownersFav() {
    // this.thinCrust ... this.sauce ... this.top.ToppingMethod
    return this.thinCrust && this.sauce.equalsIgnoreCase("white") && this.top.ownersFav();
  }

  //new Pizza(true, "white", new ExtraCheese(5)).wrongTop(new Chicken(12)) =>
  //     new Pizza(true, "white", new Chicken(12))
  //To produce a pizza, like this Pizza, but with the given topping
  Pizza wrongTop( Topping givenTopping) {
   // ... this.thinCrust ... this.sauce ... this.top.toppingMethod() 
   return new Pizza(this.thinCrust, this.sauce , givenTopping);
  }

}

abstract class Topping {
  //to report the price of this topping
  abstract double price();
  //To calcualte the cost of this Topping
  abstract double cost();
  //To report whether or not this Topping is the owners favorite
  abstract boolean ownersFav();
}


class Pepperoni extends Topping {

  int slices;

  Pepperoni( int slices ) {
    this.slices = slices;
  }

  //to report the price of this Pepperoni
  //new Pepperoni(15).price() => 1.5
  double price() {
   //... this.slices ...
   return 1.5;
  }

  //To calcualte the cost of this Pepperoni
  //new Pepperoni(15).cost() -> 1.5
  double cost() {
   // ... this.slices ...
   return this.slices * .1;
  }
  //To report whether or not this Topping is the owners favorite
  //new Pepperoni(15).ownersFav() == false
  boolean ownersFav() {
    // ... this.slices ...
    return false;
  }
}

class GreenPepper extends Topping {

  double amount;

  GreenPepper( double amount ) {
    this.amount = amount;
  }

  //to report the price of this GreenPepper
  //new GreenPepper(1.5).price() => 1
  double price() {
   //... this.amount ...
   return 1;
  }

  //To calcualte the cost of this GreenPepper
  //new GreenPepper(1.5).cost() -> .75
  double cost() {
   // ... this.amount ...
   return this.amount * .5;
  }
  //To report whether or not this Topping is the owners favorite
  //new GreenPepper(1.5).ownersFav() == false
  boolean ownersFav() {
    // ... this.amount ...
    return false;
  }
}

class ExtraCheese extends Topping {

  int ounces;

  ExtraCheese( int ounces ) {
    this.ounces = ounces;
  }

  //to report the price of this ExtraCheese
  //new ExtraCheese(5).price() => .5
  double price() {
   //... this.ounces ...
   return .5;
  }

  //To calcualte the cost of this ExtraCheese
  //new ExtraCheese(5).cost() -> .5
  double cost() {
   // ... this.ounces ...
   return this.ounces * .1;
  }
  //To report whether or not this Topping is the owners favorite
  //new ExtraCheese(5).ownersFav() == true
  boolean ownersFav() {
    // ... this.ounces ...
    return true;
  }
}

class Chicken extends Topping {

  int numPieces;

  Chicken( int numPieces ) {
    this.numPieces = numPieces;
  }

  //to report the price of this Chicken
  //new Chicken(15).price() => 1.45
  double price() {
   //... this.numPieces ...
   return 1.45;
  }

  //To calcualte the cost of this Chicken
  //new Chicken(15).cost() -> .9
  double cost() {
   // ... this.numPieces ...
   return this.numPieces * .06;
  }
  //To report whether or not this Topping is the owners favorite
  //new Chicken(15).ownersFav() == false
  boolean ownersFav() {
    // ... this.numPieces ...
    return false;
  }
}