On The Way To Annapurna

import java.util.*;
import java.util.stream.Collectors;

public class OnTheWayToAnnapurna02 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        LinkedHashMap<String, List<String>> storesAndItems = new LinkedHashMap<>();

        String input = sc.nextLine();
        while (!input.equals("END")) {

            String[] tokens = input.split("->");
            String store = tokens[1];
            String commands = tokens[0];

            switch (commands) {
                case "Add": {
                    String item = tokens[2];
                    List<String> items = Arrays.stream(tokens[2].split(","))
                            .collect(Collectors.toList());
                    if (!storesAndItems.containsKey(store)) {
                        storesAndItems.put(store, items);
                    } else {
                        storesAndItems.get(store).add(item);
                    }
                }
                break;
                case "Remove":
                    if (storesAndItems.size() < 2)
                        break;

                    String toRemove = tokens[1];
                    storesAndItems.remove(toRemove);
                    break;
            }
            input = sc.nextLine();
        }
        System.out.println("Stores list:");
        storesAndItems
                .entrySet()
                .stream()
                .sorted((a, b) -> {
                    int result = b.getValue().size() - a.getValue().size();
                    if (result == 0) {
                        result = b.getKey().compareTo(a.getKey());
                    }
                    return result;
                })
                .forEach((e) -> {
                    System.out.println(e.getKey());
                    e.getValue()
                            .forEach(value -> System.out.println(String.format("<<%s>>", value)));
                });
    }
}