public class Lesson1 
{
    public static void run() 
    {
      Draw.window(200, 200);
      Draw.setTitle("Abstract Art");
      
      // draw a red rectangle with a green border
      Draw.setColor(255, 0, 0);
      Draw.setFill(true);
      Draw.rectangle(25,25,75,150);
      
      Draw.setColor(0, 255, 0);  // green
      Draw.setFill(false);
      Draw.rectangle(25,25,75,150);
      
      // draw a blue circle with a yellow border
      
      Draw.setColor(0, 0, 255);  // blue
      Draw.setFill(true);
      Draw.oval(50,50,100,100);
      
      Draw.setColor(255, 255, 0);
      Draw.setFill(false);
      Draw.oval(50,50,100,100);
    }
}