man-o-war

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Threading;

namespace ConsoleApp1
{
    class Exam
    {
        static void Main(string[] args)
        {
            // fire - warship
            // defend - pirate ship
            // repair - pirate ship
            // status - both

            List<int> pirate = Console.ReadLine().Split('>').Select(int.Parse).ToList();

            List<int> war = Console.ReadLine().Split('>').Select(int.Parse).ToList();

            int maxHealth = int.Parse(Console.ReadLine());

            string[] command = Console.ReadLine().Split().ToArray();

            while (command[0] != "Retire")
            {
                if (command[0] == "Fire")
                {
                    int index = int.Parse(command[1]);

                    if (index >= 0 && index < war.Count)
                    {
                        int damage = int.Parse(command[2]);

                        war[index] -= damage;

                        if (war[index] <= 0)
                        {
                            Console.WriteLine("You won! The enemy ship has sunken.");
                            break;
                        }
                    }
                }
                if (command[0] == "Defend")
                {
                    bool won = false;
                    int startIndex = int.Parse(command[1]);
                    int endIndex = int.Parse(command[2]);

                    if ((startIndex >= 0 && startIndex < pirate.Count) && endIndex >= 0 && endIndex < pirate.Count)
                    {
                        int damage = int.Parse(command[3]);
                        for (int i = startIndex; i <= endIndex; i++)
                        {
                            pirate[i] -= damage;

                            if (pirate[i] <= 0)
                            {
                                Console.WriteLine("You lost! The pirate ship has sunken.");
                                won = true;
                                break;
                            }
                        }
                        if (won)
                        {
                            break;
                        }
                    }
                }
                if (command[0] == "Repair")
                {
                    int index = int.Parse(command[1]);

                    if (index >= 0 && index < pirate.Count)
                    {
                        int health = int.Parse(command[2]);

                        pirate[index] += health;

                        if (pirate[index] > maxHealth)
                        {
                            pirate[index] = maxHealth;
                        }
                    }
                }
                if (command[0] == "Status")
                {
                    int count = 0;
                    for (int i = 0; i < pirate.Count; i++)
                    {
                        if (pirate[i] < maxHealth * 0.20)
                        {
                            count++;
                        }
                    }

                    Console.WriteLine($"{count} sections need repair.");
                }

                command = Console.ReadLine().Split().ToArray();
            }

            if (command[0] == "Retire")
            {
                Console.WriteLine($"Pirate ship status: {pirate.Sum()}");
                Console.WriteLine($"Warship status: {war.Sum()}");

            }
        }
    }
}