class Mar22 {
	public static void main(String[] args) {
		
		Vehicle v1 = new Vehicle("abc123", "toyota", "tacoma");

		System.out.println(v1.getVIN());	

		v1.setNumDoors(-1);
		System.out.println(v1.getNumDoors());


		System.out.println(v1.toString());
	
	}
}