P!rates

using System;
using System.Collections.Generic;
using System.Linq;

class Town
{
    public string Name { get; set; }
    public int People { get; set; }
    public int Gold { get; set; }

    public Town(string name, int people, int gold)
    {
        this.Name = name;
        this.People = people;
        this.Gold = gold;
    }
}

class Program
{
    public static List<Town> towns = new List<Town>();

    static void Main()
    {
        ReadInputTownInfo();
        string input;
        while ((input = Console.ReadLine()) != "End")
        {
            string[] cmd = input.Split("=>");
            if (cmd[0] == "Plunder") Plunder(cmd);
            else if (cmd[0] == "Prosper") Prosper(cmd);
        }
        if (towns.Count > 0)
        {
            Console.WriteLine($"Ahoy, Captain! There are {towns.Count} wealthy settlements to go to:");
            Console.WriteLine(String.Join("\n", towns
                .Select(x => $"{x.Name} -> Population: {x.People} citizens, Gold: {x.Gold} kg")));
        }
        else
            Console.WriteLine("Ahoy, Captain! All targets have been plundered and destroyed!");
    }

    private static void ReadInputTownInfo()
    {
        string input;
        while ((input = Console.ReadLine()) != "Sail")
        {
            string[] tokens = input.Split("||");
            string name = tokens[0];
            int people = int.Parse(tokens[1]);
            int gold = int.Parse(tokens[2]);
            if (!towns.Any(x => x.Name == name))
                towns.Add(new Town(name, people, gold));
            else
            {
                Town town = towns.Find(x => x.Name == name);
                town.People += people;
                town.Gold += gold;
            }
        }
    }

    private static void Plunder(string[] cmd)
    {
        Town town = towns.Find(x => x.Name == cmd[1]);
        int plunderPeople = int.Parse(cmd[2]);
        int plunderGold = int.Parse(cmd[3]);
        town.People -= plunderPeople;
        town.Gold -= plunderGold;
        Console.WriteLine($"{town.Name} plundered! {plunderGold} gold stolen, {plunderPeople} citizens killed.");
        if (town.People <= 0 || town.Gold <= 0)
        {
            Console.WriteLine($"{town.Name} has been wiped off the map!");
            towns.Remove(town);
        }
    }

    private static void Prosper(string[] cmd)
    {
        Town town = towns.Find(x => x.Name == cmd[1]);
        int goldIncrease = int.Parse(cmd[2]);
        if (goldIncrease < 0)
            Console.WriteLine("Gold added cannot be a negative number!");
        else
        {
            town.Gold += goldIncrease;
            Console.WriteLine($"{goldIncrease} gold added to the city treasury. {town.Name} now has {town.Gold} gold.");
        }
    }
}