import becker.robots.*;

class RobotThatGoes extends Robot
{
    RobotThatGoes(City c, int st, int ave, Direction dir, int num)
    {
        super(c, st, ave, dir, num);
    }
    
    
    public void keepGoing()
    {
        while( this.frontIsClear() )
        {
            this.move();
        }
    }  
    public void turnRight()
    {
        this.turnLeft();
        this.turnLeft();
        this.turnLeft();
    }  
}

public class A2_Trace_2 extends Object
{
    public static void main(String[] args)
    {   
        City amaze = new City();
        RobotThatGoes ian = new RobotThatGoes(amaze, 2, 6, Direction.WEST, 0);
        /* build maze*/
        new Wall(amaze, 2, 2, Direction.EAST);
        new Wall(amaze, 8, 3, Direction.WEST);
        new Wall(amaze, 8, 3, Direction.SOUTH);
        new Wall(amaze, 8, 5, Direction.EAST);

		/* Move forward while there are no walls*/    
        ian.keepGoing();
        ian.turnLeft();
        ian.keepGoing();
        ian.turnRight();
        ian.keepGoing();
        ian.turnLeft();
        ian.keepGoing();
        ian.turnLeft();
        ian.keepGoing();
        ian.turnLeft();
        
    }
}