class Lunchbox {
  Sandwich mainCourse;
  Beverage drink;
  Cake dessert;

  Lunchbox( Sandwich mainCourse, Beverage drink, Cake dessert ) {
   this.mainCourse = mainCourse;
   this.drink = drink;
   this.dessert = dessert;
  }

  // new Lunchbox(new Sandwich("rye",false), new Beverage("Lime",true),new Cake("Choco",2,"Choco")).sameAs(
  //     new Lunchbox(new Sandwich("rye",false), new Beverage("Lime",true),new Cake("Choco",2,"Choco")) 
  //     == true
  // new Lunchbox(new Sandwich("rye",false), new Beverage("Lime",true),new Cake("Choco",2,"Choco")).sameAs(
  //     new Lunchbox(new Sandwich("rye",false), new Beverage("Lemon",true),new Cake("Choco",2,"Choco"))
  //     == false
  // To determine if this Lunchbox is the same as l
  boolean sameAs( Lunchbox l ) {
    // ... this.mainCourse.SandwichMethod() ... this.drink.BeverageMethod() ... this.dessert.CakeMethod()
    //  ... l.mainCousre... 
    return  this.mainCourse.sameAs( l.mainCourse ) &&
            this.drink.sameAs( l.drink ) &&
            this.dessert.sameAs( l.dessert );
  }
 
  // To determine if this Lunchbox is the same as l
  boolean equals( Object l ) {
    // ... this.mainCourse.SandwichMethod() ... this.drink.BeverageMethod() ... this.dessert.CakeMethod() 
    // ... l 
    return this.sameAs((Lunchbox) l);
  }

}

class Sandwich {
  String bread;
  boolean pbAndJ;

  Sandwich( String bread, boolean pbAndJ ) {
   this.bread = bread;
   this.pbAndJ = pbAndJ;
  }
  // new Sandwich( "white", true ).sameAs( new Sandwich("white",false) ) == false
  // new Sandwich( "wheat", false ).sameAs( new Sandwich("wheat", false) ) == true
  // To determine if this Sandwich is the same as s
  boolean sameAs( Sandwich s ) {
    // this.bread ... this.pbAndJ ... s ...
    return this.bread.equals(s.bread) && (this.pbAndJ == s.pbAndJ);
  }
}

class Beverage {
  String flavor;
  boolean carbonated;

  Beverage( String flavor, boolean carbonated ) {
   this.flavor = flavor;
   this.carbonated = carbonated;
  }

  //new Beverage("orange",false).sameAs( new Beverage("orange",false)) == true
  //new Beverage("orange",false).sameAs( new Beverage("orange",true)) == false
  //To determine if this Beverage  is the same as b
  boolean sameAs( Beverage b ) {
    // ... this.flavor ... this.carbonated ... b
    return this.flavor.equals(b.flavor) && (this.carbonated == b.carbonated);
  }
}

class Cake {
  String icing, base;
  int layers;
  Cake( String icing, int layers, String base ) {
   this.icing = icing;
   this.layers = layers;
   this.base = base;
  }
  // To determine if this Cake is like c
  boolean sameAs( Cake c ) {
    // ... this.icing ... this.layers ... this.base ... 
    return this.icing.equals(c.icing)
           && this.layers == c.layers
           && this.base.equals(c.base);
  }
}