public class TicketMachine {
	public Ticket buyTicket(String cinema){
		
		return new Ticket(cinema); //??????
	}
	public boolean isValid(Ticket t){
		
		return t.isValid();
	}
	public void useTicket(Ticket t){
		if(t.isValid())
			t.setStatusToFalse();
		else
			System.out.println("ALARM!");
	}
}