Problem 10.* Population Counter

import java.util.*;

public class map1_Exarcises_10Population_Counter {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String input = scanner.nextLine();

        Map<String, Map<String, Long>> countres = new LinkedHashMap<>();
        while (!input.equals("report")) {
            String[] tokens = input.split("\\|");
            String name = tokens[1];
            String city = tokens[0];
            long population = Long.parseLong(tokens[2]);
            countres.putIfAbsent(name, new LinkedHashMap<>());
            countres.get(name).put(city, population);

            input = scanner.nextLine();
        }
        countres.entrySet().stream()
                .sorted((f, s) -> s.getValue().values().stream().reduce(0L, Long::sum)
                        .compareTo(f.getValue().values().stream().reduce(0L, Long::sum))
                ).forEach(entry -> {
            //  long totalPopulation = population(entry.getValue());
            System.out.printf("%s (total population: %d)%n", entry.getKey(), entry.getValue().values()
                    .stream().reduce(0L, Long::sum));
            entry.getValue().entrySet().stream()
                    .sorted((f, s) -> s.getValue().compareTo(f.getValue()))
                    .forEach(e -> {
                        System.out.printf("=>%s: %d%n", e.getKey(), e.getValue());
                    });
        });


    }

  }