Iron Girder /Map & List/

package TechFundamentals;

import java.util.*;

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

        String input = scanner.nextLine();

        Map<String, List<Integer>> railway = new LinkedHashMap<>();

        while (!input.equals("Slide rule")) {
            String[] tokens = input.split(":");
            String town = tokens[0];

            List<Integer> timePassengers = railway.get(town);

            String[] tokensCommand = tokens[1].split("->");

            if (!tokensCommand[0].equals("ambush")) {
                int time = Integer.parseInt(tokensCommand[0]);
                int passengers = Integer.parseInt(tokensCommand[1]);
                if (!railway.containsKey(town)) {
                    timePassengers = new ArrayList<>();
                    timePassengers.add(time);
                    timePassengers.add(passengers);
                    railway.put(town, timePassengers);
                } else {
                    int oldTime = railway.get(town).get(0);
                    if (time < oldTime || oldTime == 0) {
                        railway.get(town).set(0, time);
                    }
                    int newSumPassenger = railway.get(town).get(1) + passengers;
                    railway.get(town).set(1, newSumPassenger);
                }
            } else {
                int passengers = Integer.parseInt(tokensCommand[1]);

                if (railway.containsKey(town)) {
                    int removePassengers = railway.get(town).get(1) - passengers;
                    railway.get(town).set(0, 0);
                    railway.get(town).set(1, removePassengers);

                }

            }

            input = scanner.nextLine();
        }

        railway.entrySet().stream()
                .filter(e -> {
                    List<Integer> tempList = e.getValue();
                    return tempList.get(0) > 0 && tempList.get(1) > 0;
                })
                .sorted((f, s) -> {

                    int sorted = f.getValue().get(0) - s.getValue().get(0);
                    if (sorted == 0) {
                        return f.getKey().compareTo(s.getKey());
                    } else {
                        return Integer.compare(f.getValue().get(0), s.getValue().get(0));
                    }
                })
                .forEach(entry -> {
                    System.out.print(entry.getKey() + " -> Time: ");
                    System.out.printf("%d -> Passengers: %d%n", entry.getValue().get(0), entry.getValue().get(1));

                });

    }
}