Parking Lot

package SetsAndMaps3;

import java.util.LinkedHashSet;
import java.util.Scanner;
import java.util.Set;

public class ParkingLot {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        Set<String> parkingLot = new LinkedHashSet<>();

        String command = scanner.nextLine();

        while (!command.equals("END")) {
            String[] car = command.split(", ");

            if (car[0].equals("IN")) {
                parkingLot.add(car[1]);
            } else {
                parkingLot.remove(car[1]);
            }
            command = scanner.nextLine();
        }
        if (parkingLot.isEmpty()) {
            System.out.println("Parking Lot is Empty");
        }
        for (String carNumber : parkingLot) {
            System.out.println(carNumber);
        }

    }
}