//CS5-HMC-Sp.,00-HW12-1
//A. Khakpour, Fall 98

import java.awt.*;

public class Traffic2 extends Canvas
{
   public void paint (Graphics g)
   {
      Color brown = new Color (107, 69, 38);

      setBackground (Color.cyan);

      g.setColor (brown);
      g.fillRect (30, 30, 120, 340);

      for (int i = 0; i < 5; i++)
      {
         g.setColor (Color.red);
         g.fillOval (40, 40, 100, 100);
         g.setColor (Color.yellow.darker().darker());
         g.fillOval (40, 150, 100, 100);
         g.setColor (Color.green.darker().darker());
         g.fillOval (40, 260, 100, 100);


         for (int pause = 1; pause <= 5000000; pause++);

         g.setColor (Color.red.darker().darker());
         g.fillOval (40, 40, 100, 100);
         g.setColor (Color.yellow.darker().darker()); 
         g.fillOval (40, 150, 100, 100);
         g.setColor (Color.green);
         g.fillOval (40, 260, 100, 100);

         for (int pause = 1; pause <= 5000000; pause++);

         g.setColor (Color.red.darker().darker());
         g.fillOval (40, 40, 100, 100);
         g.setColor (Color.yellow);
         g.fillOval (40, 150, 100, 100);
         g.setColor (Color.green.darker().darker());   
         g.fillOval (40, 260, 100, 100);

         for (int pause = 1; pause <= 2000000; pause++);

      }
   }
}