Concert

import java.util.*;

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

        Map<String, List<String>> members = new LinkedHashMap<>();
        Map<String, Integer> time = new HashMap<>();

        String line = scanner.nextLine();

        while (!(line.equals("start of concert"))) {
            String[] arrayLine = line.split("; ");
            String nameOfGroup = arrayLine[1];
            if (arrayLine[0].equals("Add")) {

                if (!(members.containsKey(nameOfGroup))) {
                    members.put(nameOfGroup, new ArrayList<>());
                    List<String> temp = members.get(nameOfGroup);
                    String[] arrTemp = arrayLine[2].split(", ");
                    Collections.addAll(temp, arrTemp);
                } else {
                    List<String> temp = members.get(nameOfGroup);
                    String[] arrTemp = arrayLine[2].split(", ");
                    for (String s : arrTemp) {
                        if (!(temp.contains(s))) {
                            temp.add(s);
                        }
                    }
                }
            } else if (arrayLine[0].equals("Play")) {
                int songTime = Integer.parseInt(arrayLine[2]);
                if (!(time.containsKey(nameOfGroup))) {
                    time.put(nameOfGroup, songTime);
                } else {
                    time.put(nameOfGroup, time.get(nameOfGroup) + songTime);
                }
            }
            line = scanner.nextLine();
        }

        int totalTime = 0;
        for (Map.Entry<String, Integer> time1 : time.entrySet()) {
            totalTime += time1.getValue();
        }

        String nameOfGroup = scanner.nextLine();

        System.out.println("Total time: " + totalTime);

        time
                .entrySet()
                .stream()
                .sorted(Map.Entry.<String, Integer>comparingByValue().reversed())
                .forEach(time1 -> System.out.println(String.format("%s -> %s", time1.getKey(), time1.getValue())));

        System.out.println(nameOfGroup);

        members
                .forEach((key, value) -> {
                    if (key.equals(nameOfGroup)) {
                        value.forEach(e -> System.out.println("=> " + e));
                    }
                });
    }
}