Man O War

import java.util.Arrays;
import java.util.List;
import java.util.Scanner;
import java.util.stream.Collectors;

public class ManOWar2 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        List<Integer> pirateShip = Arrays.stream(scanner.nextLine().split(">")).map(Integer::parseInt).collect(Collectors.toList());
        List<Integer> warShip = Arrays.stream(scanner.nextLine().split(">")).map(Integer::parseInt).collect(Collectors.toList());
        int maxHealth = Integer.parseInt(scanner.nextLine());
        String text = scanner.nextLine();
        boolean endGame = false;
        while (!text.equals("Retire")) {
            List<String> command = Arrays.stream(text.split(" ")).collect(Collectors.toList());

            String commandAnElement = command.get(0);

            switch (commandAnElement) {
                case "Fire": {
                    int index = Integer.parseInt(command.get(1));
                    int damage = Integer.parseInt(command.get(2));

                    if (index < warShip.size() && index >= 0) {
                        int currentDamage = warShip.get(index);
                        int newDamage = currentDamage - damage;
                        warShip.set(index, newDamage);
                        if (newDamage <= 0) {
                            endGame = true;
                        }
                    }
                    if (endGame) {
                        System.out.println("You won! The enemy ship has sunken.");
                        break;
                    }
                    break;
                }
                case "Defend": {
                    int startIndex = Integer.parseInt(command.get(1));
                    int endIndex = Integer.parseInt(command.get(2));
                    int demage = Integer.parseInt(command.get(3));

                    if (startIndex >= 0 && endIndex <= pirateShip.size()) {
                        for (int i = startIndex; i <= endIndex; i++) {
                            int currentDamage = pirateShip.get(i);
                            int newDamage = currentDamage - demage;
                            pirateShip.set(i, newDamage);
                            if (newDamage <= 0) {
                                endGame = true;
                            }
                        }
                        if (endGame) {
                            System.out.println("You lost! The pirate ship has sunken.");
                            break;
                        }
                    }
                    break;
                }
                case "Repair": {
                    int index = Integer.parseInt(command.get(1));
                    int health = Integer.parseInt(command.get(2));
                    if (index < pirateShip.size() && index >= 0) {
                        int currentHealth = pirateShip.get(index);
                        int newHealth = currentHealth + health;
                        pirateShip.set(index, newHealth);
                        if (newHealth >= maxHealth) {
                            pirateShip.set(index, maxHealth);
                        }
                    }
                    break;
                }
                case "Status": {
                    int counter = 0;
                    for (int health : pirateShip) {
                        double percent = (1.0 * health * 100) / maxHealth;
                        if (percent < 20) {
                            counter++;
                        }
                    }
                    System.out.printf("%d sections need repair.%n", counter);
                    break;
                }
            }
            if (endGame) {
                break;
            }
            text = scanner.nextLine();
        }
        if (!endGame) {
            int sumPirateShip = 0;
            int enemyShip = 0;
            for (Integer integer : pirateShip) {
                sumPirateShip += integer;
            }

            for (Integer integer : warShip) {
                enemyShip += integer;
            }
            System.out.printf("Pirate ship status: %d%n", sumPirateShip);
            System.out.printf("Warship status: %d%n", enemyShip);
        }
    }
}