// Defining classes -- example modified from Lewis & Loftus

class Rectangle {
   private final int MAX_LEVEL = 100;
   private final int MIN_LEVEL = 0;
   private int length, width, shade;

   public Rectangle (int side1, int side2, int level) {
      length = side1;
      width = side2;
      shade = level;
   }
  
   public int area () {
      return length * width;
   }

   public int get_shade () {
      return shade;
   }

   public void set_shade (int adjustment) {
      int new_level = shade + adjustment;
      if (new_level >= MIN_LEVEL)
         if (new_level <= MAX_LEVEL)
            shade = new_level;
         else
            System.out.println ("New shading level is too high.");
      else
        System.out.println ("New shading level is too low.");
   }
}

class Compare_rectangles {

     public static void main (String[] args) {

        Rectangle rect1, rect2;
        rect1 = new Rectangle (15, 30, 90);
        rect2 = new Rectangle (30, 15, 60);

        System.out.println ("The area of rect1 is: " + rect1.area());
        System.out.println ("The initial shade of rect1 is: " + rect1.get_shade());

        rect1.set_shade (20);
        System.out.println ("The new shade of rect1 is: " + rect1.get_shade());

        System.out.println ("The area of rect2 is: " + rect2.area());
 
        if (rect1.area() > rect2.area())
           System.out.println ("Rect1 is larger than rect2.");
        else
           if (rect1.area() < rect2.area())
              System.out.println ("Rect2 is larger than rect1.");
           else
              System.out.println ("Rect1 and rect2 have the same area.");
     }
}