Man o war

using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Numerics;

namespace Lists
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] pirateShip = Console.ReadLine().Split(">").Select(int.Parse).ToArray();
            int[] warShip = Console.ReadLine().Split(">").Select(int.Parse).ToArray();
            int maxHealth = int.Parse(Console.ReadLine());
            string command = "";
            while (command != "Retire")
            {
                string[] commands = command.Split();

                if (commands[0] == "Fire")
                {
                    int index = int.Parse(commands[1]);
                    int damage = int.Parse(commands[2]);
                    if (index >= 0 && index < warShip.Length)
                    {
                        warShip[index] -= damage;
                        if (warShip[index] <= 0)
                        {
                            Console.WriteLine("You won! The enemy ship has sunken.");
                            return;
                        }
                    }
                }
                else if (commands[0] == "Defend")
                {
                    int startIndex = int.Parse(commands[1]);
                    int endIndex = int.Parse(commands[2]);
                    int damage = int.Parse(commands[3]);
                    if (startIndex >= 0 && endIndex >= 0 &&
                startIndex < pirateShip.Length && endIndex < pirateShip.Length)
                    {
                        if (startIndex <= endIndex)
                        {
                            for (int i = startIndex; i <= endIndex; i++)
                            {
                                pirateShip[i] -= damage;
                                if (pirateShip[i] < 0)
                                {
                                    Console.WriteLine("You lost! The pirate ship has sunken.");
                                    return;
                                }
                            }
                        }
                        else
                        {
                            for (int i = endIndex; i <= startIndex; i++)
                            {
                                pirateShip[i] -= damage;
                                if (pirateShip[i] < 0)
                                {
                                    Console.WriteLine("You lost! The pirate ship has sunken.");
                                    return;
                                }
                            }
                        }
                    }
                }
                else if (commands[0] == "Repair")
                {
                    int index = int.Parse(commands[1]);
                    int health = int.Parse(commands[2]);
                    Repair(index, health, pirateShip, maxHealth);
                }
                else if (commands[0] == "Status")
                {
                    Status(pirateShip, maxHealth);
                }
                command = Console.ReadLine();
            }


            Console.WriteLine($"Pirate ship status: {pirateShip.Sum()}");
            Console.WriteLine($"Warship status: {warShip.Sum()}");

        }

        private static void Status(int[] pirateShip, int maxHealth)
        {
            int count = 0;
            foreach (int section in pirateShip)
            {
                if(section<0.2*maxHealth)
                {
                    count++;
                }
            }
            Console.WriteLine($"{count} sections need repair.");
        }

        private static void Repair(int index, int health, int[] pirateShip, int maxHealth)
        {
            if (index>=0 && index<pirateShip.Length)
            {
                if (health + pirateShip[index] <= maxHealth)
                    pirateShip[index] += health;
                else
                    pirateShip[index] = maxHealth;
            }
        }

    }
}