//Main class	

class Node{
    protected String name;
    protected Node left;
    protected Node right;
    protected int x;
    protected int y;
    protected int height;
    protected int width;
    //Constructor
    public Node(){
        name="";
        right=null;
        left=null;
    }
    //Similar constructor with various parameters being passed to them can be
    //constructed similarly.
    
    
    //Function which checks if the node is a leaf node or not
    public boolean isLeaf()
    {   if(right==null&&left==null)
            return true;
        else
            return false;
    }
    
    //Function to set the name of the Node
    public void setName(String o){
          name=o;
    }
     
    //Function to set the top left x coordinate of the rectangle
    public void setX(int i)
    {     x=i;
    }
    //Function to set the top left y coordinate of the rectangle
    public void setY(int i)
    {     y=i;
    }
     
    //Similar function to set the width and height of the rectangle
    
    //Function to get Right Child
    public Node getRight(){
            return right;
    }
    //Function to get Left Child
    public Node getLeft(){
          return left;
    }
}

//Use this type of class to draw rectangles.It stores the address of the rectangle in
//a linked list
class Rect
{     protected Rect Next;
      protected Node Add;
      //Constructor
      public Rect()
      {     Next=null;
            Add=null;
      }
      //Constructor
      public Rect(Node i)
      {     Next=null;
            Add=i;
      }
      //Function to get Address of the Rectangle in the tree
      public Node getAdd()
      {     return Add;
      }
      //Function to get the address of next rectangle and etc.	
}

//Write the applet to draw the rectangles here.