import java.awt.*;
import java.applet.*;
 
public class lines extends Applet {
 
  public void paint(Graphics g){
     int count;
     for (count = 1; count <= 12; count++) {         
             switch (count % 3) {             // mod 3
                     case 0:
                             g.setColor(Color.red);
                             break;
                     case 1:
                             g.setColor(Color.blue);
                             break;
                     case 2:
                             g.setColor(Color.green);
                             break;
             }
     g.drawLine(10, count * 10 , 80, count * 10);
     }
  }
}