// To run this on isoptera or anywhere like it:
// javac vars.java
// java vars

class Car {
	public int heading;
	
	public void right(){
		if(heading > -3)
			heading = heading - 1;
		else
			System.out.println("Maximum right already achieved");
	}

	public void left(){
		if(heading < 3){
			heading = heading + 1;
		} else {
			System.out.println("Maximum left already achieved");
		}
	}

	public void forward(){
		System.out.println("The heading is:  " + heading);
	}
}

class vars {
	public static void main(String[] args) {
		Car bug = new Car();
		bug.forward();
		bug.left();
		bug.left();
		bug.left();
		bug.left();
		bug.left();
		bug.forward();
		bug.right();
		bug.right();
		bug.right();
		bug.right();
		bug.right();
		bug.right();
		bug.right();
		bug.right();
		bug.right();
		bug.forward();
	}
}