import ch.aplu.turtle.*;
import java.awt.Color;

class s71
{
  s71()
  {
    Turtle pierre = new Turtle(); 
    Turtle luc = new Turtle(pierre); 
    
    
    pierre.setColor(Color.blue);
    pierre.setPenColor(Color.pink);
    pierre.setPos(-20,-60);
    pierre.label("Pierre") ;
    luc.setColor(Color.red);
    luc.setPenColor(Color.green);
    luc.setPos(100,-30);
    luc.label("Luc") ;
    luc.setPos(100,-30);
    luc.label("Luc") ;    
    luc.setPos(100,0);
    
    for (int i = 0; i < 5; i++)
    {
      quadrat(pierre);
      pierre.forward(30);
      quadrat(luc);
      luc.forward(30);
    }
  }

  void quadrat(Turtle t)
  {
    for (int i = 0; i < 4; i++)
    {
      t.forward(30);
      t.right(90);
    }
  }

  public static void main(String[] args)
  {
    new s71();
  }
}