Concert

import java.util.*;

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

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

        String line = scanner.nextLine();
        while (!line.equals("start of concert")) {
            String[] info = line.split("; ");
            String command = info[0];
            String bandName = info[1];

            if (command.equals("Add")) {
                String[] members = info[2].split(", ");
                if (!bandAndMembers.containsKey(bandName)) {
                    bandAndMembers.put(bandName, new ArrayList<>());
                    for (String member : members) {
                        bandAndMembers.get(bandName).add(member);
                    }
                } else {
                    for (String member : members) {
                        if (!bandAndMembers.get(bandName).contains(member)) {
                            bandAndMembers.get(bandName).add(member);
                        }
                    }
                }
            }

            if (command.equals("Play")) {
                int time = Integer.parseInt(info[2]);
                bandAndTime.putIfAbsent(bandName, 0);
                bandAndTime.put(bandName, bandAndTime.get(bandName) + time);
            }

            line = scanner.nextLine();
        }
        int totalTime = bandAndTime.values().stream().mapToInt(t -> t).sum();
        System.out.println("Total time: " + totalTime);

        bandAndTime.entrySet().stream()
                .sorted((b1, b2) -> {
                    int compare = b2.getValue().compareTo(b1.getValue());
                    if(compare == 0){
                        b1.getKey().compareTo(b2.getKey());
                    }
                    return compare;
                })
                .forEach(b -> System.out.printf("%s -> %d%n", b.getKey(), b.getValue()));

        String band = scanner.nextLine();
        for (Map.Entry<String, List<String>> entry : bandAndMembers.entrySet()) {
            if (entry.getKey().equals(band)) {
                System.out.println(band);
                entry.getValue().forEach(mem -> System.out.println("=> " + mem));
            }
        }
    }
}