NewCodePopulationCounter

package Problem04;

import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Scanner;

public class PopulationCounter {
    public static void main(String[] args) {
        Scanner Console = new Scanner(System.in);
        String line = Console.nextLine();

        LinkedHashMap<String, HashMap<String, Long>> Map = new LinkedHashMap<>();

        while (!line.equals("report")) {
            String[] strArray = Console.nextLine().split("\\|+");
            String city = strArray[0];
            String country = strArray[1];
            Long population = Long.parseLong(strArray[2]);

            if (!Map.containsKey(city)) {
                Map.put(city, new LinkedHashMap<>());
            }

            Map.get(city).put(country, population);

            line = Console.nextLine();
        }
        System.out.println(Map);
    }
}