treasure hunt version 2

using System;
using System.Linq;
using System.Collections.Generic;
using System.Numerics;
using System.Threading;
using System.Transactions;

namespace exampreparation
{
    class exam
    {
        static void Main(string[] args)
        {
            List<string> treasure = Console.ReadLine().Split('|').ToList();

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

            while (command[0] != "Yohoho!")
            {
                if (command[0] == "Loot")
                {
                    List<string> loot = new List<string>();

                    for (int i = 1; i < command.Length; i++)
                    {
                        if (!treasure.Contains(command[i]))
                        {
                            loot.Add(command[i]);
                        }
                    }

                    loot.Reverse();
                    treasure.InsertRange(0, loot);
                }
                if (command[0] == "Drop")
                {
                    int index = int.Parse(command[1]);
                    if (index >= 0 && index < treasure.Count)
                    {
                        string temp = treasure[index];
                        treasure.RemoveAt(index);
                        treasure.Add(temp);
                    }
                }
                if (command[0] == "Steal")
                {
                    int count = int.Parse(command[1]);

                    if (count > treasure.Count)
                    {
                        count = treasure.Count;
                    }

                    treasure.Reverse();
                    List<string> steal = treasure.GetRange(0, count);
                    treasure.RemoveRange(0, count);
                    steal.Reverse();
                    Console.WriteLine(string.Join(", ", steal));
                    treasure.Reverse();
                }

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

            }

            double sum = 0;
            for (int i = 0; i < treasure.Count; i++)
            {
                sum += treasure[i].Length;
            }
            double average = sum / treasure.Count * 1.0;

            if (treasure.Count == 0)
            {
                Console.WriteLine("Failed treasure hunt.");
            }
            else
            {
                Console.WriteLine($"Average treasure gain: {average:F2} pirate credits.");
            }
        }

    }
}