MidExam/Group2/Tanks Collector

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

namespace fundamental14
{
    class MainClass
    {
        public static void Main()
        {
            List<string> tank = Console.ReadLine().Split(", ").ToList();
            int number = int.Parse(Console.ReadLine());

            for (int i = 0; i < number; i++)
            {
                string[] array = Console.ReadLine().Split($", ").ToArray();
                string command = array[0];
                int index = 0;
                string tankName = string.Empty;
                if (command == "Add")
                {
                    string newTank = array[1];
                    if (tank.Contains(newTank))
                    {
                        Console.WriteLine("Tank is already bought");
                    }
                    else
                    {
                        tank.Add(newTank);
                        Console.WriteLine("Tank successfully bought");
                    }
                }
                else if (command == "Remove")
                {
                    tankName = array[1];
                    if(tank.Contains(tankName))
                    {
                        Console.WriteLine("Tank successfully sold");
                        tank.Remove(tankName);
                    }
                    else
                    {
                        Console.WriteLine("Tank not found");
                    }
                }
                else if (command == "Remove At")
                {
                    index = int.Parse(array[1]);
                    if (index >= 0 && index < tank.Count)
                    {
                        Console.WriteLine("Tank successfully sold");
                        tank.RemoveAt(index);
                    }
                    else
                    {
                        Console.WriteLine("Index out of range");
                    }

                }
                else if (command == "Insert")
                {
                    index = int.Parse(array[1]);
                    tankName = array[2];
                    if (index >= 0 && index < tank.Count)
                    {
                        if (tank.Contains(tankName))
                        {
                            Console.WriteLine("Tank is already bought");
                        }
                        else
                        {
                            Console.WriteLine("Tank successfully bought");
                            tank.Insert(index, tankName);
                        }
                    }
                    else
                    {
                        Console.WriteLine("Index out of range");
                    }
                }
            }
            Console.WriteLine(string.Join(", ", tank));
        }
    }
}