Anapurana

import java.lang.reflect.Array;
import java.util.*;

public class OntheWaytoAnnapurna {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        Map<String, List<String>> map = new HashMap<>();
        String input = scan.nextLine();
        while (!input.equals("END")) {
            String[] tokens = input.split("->");
            String command = tokens[0];
            String store = tokens[1];

            switch (command) {
                case "Add":
                    List<String> list = new ArrayList<>(Arrays.asList(tokens[2].split(",")));

                    if (list.size() > 1){
                        map.putIfAbsent(store, new ArrayList<>());
                        for (String s : list) {
                            map.get(store).add(s);
                        }
                    } else {
                        String item = tokens[2];
                        map.putIfAbsent(store, new ArrayList<>());
                        map.get(store).add(item);
                    }
                    break;
                case "Remove":
                    if (map.containsKey(store)){
                        map.remove(store);
                    }
                    break;
            }
            input = scan.nextLine();
        }
        System.out.println("Stores list:");
        map
                .entrySet()
                .stream()
                .sorted((a,b) -> b.getKey().compareTo(a.getKey()))//Help
                .sorted((a, b) -> b.getValue().size() - a.getValue().size())
                .forEach(entry -> {
                    System.out.println(entry.getKey());
                    entry.getValue().forEach(item -> System.out.println("<<" + item + ">>"));
                });

    }
}