Concert [Mimi]

import java.util.*;

public class _01_Concert {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        Map<String, List<String>> bandsMembers = new LinkedHashMap<>();
        Map<String, Integer> bandsTimes = new HashMap<>();

        String input = "";
        while (!"start of concert".equals(input = scanner.nextLine())) {
            String[] line = input.split("; ");
            String command = line[0];
            String band = line[1];
            String[] memb = line[2].split(", ");
            if (command.equals("Add")) {
                bandsMembers.putIfAbsent(band, new ArrayList<>());
                List<String> members = bandsMembers.get(band);
                for (int i = 0; i < memb.length; i++) {
                    if (!members.contains(memb[i])) {
                        members.add(memb[i]);
                    }
                }

                bandsTimes.putIfAbsent(band, 0);

            } else if (command.equals("Play")) {
                int time = Integer.parseInt(line[2]);
                bandsTimes.putIfAbsent(band, 0);
                bandsTimes.put(band, bandsTimes.get(band) + time);
            }
        }
        int sum = 0;

        for (Map.Entry<String, Integer> entry : bandsTimes.entrySet()) {
            sum += entry.getValue();
        }
        System.out.println("Total time: " + sum);

        bandsTimes.entrySet()
                .stream()
                .sorted(Map.Entry.<String, Integer>comparingByValue().reversed()
                ).forEach(e -> {
            System.out.printf("%s -> %d%n", e.getKey(), e.getValue());
        });

        String bandListing = scanner.nextLine();

        bandsMembers.entrySet()
                .stream()
                .sorted((x, y) -> Integer.compare(y.getValue().size(), x.getValue().size()))
                .forEach(e -> {
                    if (e.getKey().equals(bandListing)) {
                        System.out.println(e.getKey());

                        for (int i = 0; i < e.getValue().size(); i++) {
                            System.out.printf("=> %s%n", e.getValue().get(i));
                        }
                    }
                });
    }
}