Pirates

package ThirdTask;

import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Scanner;

public class pirat {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String input = scanner.nextLine();
        Map<String, Integer> populationMap = new LinkedHashMap<>();
        Map<String, Integer> goldMap = new LinkedHashMap<>();
        while (!input.equals("Sail")) {
            String[] tokens = input.split("\\|{2}");
            String city = tokens[0];
            int population = Integer.parseInt(tokens[1]);
            int gold = Integer.parseInt(tokens[2]);
            if (populationMap.containsKey(city)) {
                int newPopulation = populationMap.get(city) + population;
                int newGold = goldMap.get(city) + gold;
                populationMap.put(city, newPopulation);
                goldMap.put(city, newGold);
            }
            populationMap.putIfAbsent(city, population);
            goldMap.putIfAbsent(city, gold);
            input = scanner.nextLine();
        }
        String inputLine = scanner.nextLine();
        while (!inputLine.equals("End")) {
            String[] tokens = inputLine.split("=>");
            String command = tokens[0];
            String town = tokens[1];
            if (populationMap.containsKey(town) && goldMap.containsKey(town)) {
                switch (command) {
                    case "Plunder": {
                        int people = Integer.parseInt(tokens[2]);
                        int gold = Integer.parseInt(tokens[3]);

                        int currentPopulation = populationMap.get(town);
                        currentPopulation -= people;
                        int currentGold = goldMap.get(town);
                        currentGold -= gold;
                        populationMap.put(town, currentPopulation);
                        goldMap.put(town, currentGold);
                        System.out.printf("%s plundered! %s gold stolen, %s citizens killed.%n",
                                town, gold, people);
                        if (currentGold <= 0 || currentPopulation <= 0) {
                            populationMap.remove(town);
                            goldMap.remove(town);
                            System.out.printf("%s has been wiped off the map!%n", town);
                        }
                        break;
                    }
                    case "Prosper": {
                        int gold = Integer.parseInt(tokens[2]);
                        if (gold < 0) {
                            System.out.println("Gold added cannot be a negative number!");

                        } else {


                            goldMap.put(town, goldMap.get(town) + gold);
                            System.out.printf(
                                    "%d gold added to the city treasury. %s now has %d gold.%n",
                                    gold, town, goldMap.get(town));

                        }

                        break;
                    }
                }
            }
            inputLine = scanner.nextLine();
        }
        int count = populationMap.size();
        if (populationMap.isEmpty()) {
            System.out.println("Ahoy, Captain! All targets have been plundered and destroyed!");
        } else {
            System.out.printf("Ahoy, Captain! There are %d wealthy settlements to go to:%n", count);
            populationMap.entrySet().forEach(entry -> {
                System.out.printf("%s -> Population: %d citizens, Gold: %d kg%n"
                        , entry.getKey(), entry.getValue(), goldMap.get(entry.getKey()));
            });
        }
    }
}