class HomeSecuritySystem {

    private int accessCode; // code that must be entered to open the door.
    private final int NUM_ERRORS_BEFORE_COPS_CALLED = 3;

    /**
     * Constructor for security system; sets the code to a specified value.
     */
    public HomeSecuritySystem(int newCode) {
	accessCode = newCode;
    }

    /**
     * Attempts to open the door.  If the entered code matches the
     * stored code, the door opens.  Otherwise, the police get called.
     */
    public void openDoor(int enteredCode) {
	if (enteredCode == accessCode) {
	    System.out.println("The door is open.");
	} else {
	    System.out.println("The police have been called.");
	}

	    
    }

}