Exam-16.04.2019-03.EasterShopping

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

namespace _03.EasterShopping
{
    class Program
    {
        static void Main(string[] args)
        {
            List<string> shops = Console.ReadLine().Split().ToList();
            int n = int.Parse(Console.ReadLine());

            for (int i = 0; i < n; i++)
            {
                string[] command = Console.ReadLine().Split();
                string word = command[0];
                if (word == "Include")
                {
                    string currentShop = command[1];
                    shops.Add(currentShop);
                }
                else if (word == "Visit")
                {
                    int numberOfShops = int.Parse(command[2]);
                    if (numberOfShops > shops.Count)
                    {
                        continue;
                    }
                    if (command[1] == "first")
                    {
                        for (int j = 0; j < numberOfShops; j++)
                        {
                            shops.Remove(shops[0]);
                        }
                    }
                    else if (command[1] == "last")
                    {
                        for (int h = 0; h < numberOfShops; h++)
                        {
                            shops.Remove(shops[shops.Count - 1]);
                        }
                    }
                }
                else if (word == "Prefer")
                {
                    int index1 = int.Parse(command[1]);
                    int index2 = int.Parse(command[2]);

                    if (index1 >= 0 && index1 < shops.Count && index2 >= 0 && index2 < shops.Count)
                    {
                        string shopIndex1 = shops[index1];
                        string shopIndex2 = shops[index2];
                        shops.Remove(shopIndex1);
                        shops.Insert(index2, shopIndex1);
                        shops.Remove(shopIndex2);
                        shops.Insert(index1, shopIndex2);
                    }
                }
                else if (word == "Place")
                {
                    string currentShop = command[1];
                    int index = int.Parse(command[2]);
                    if (index + 1 >= 0 && index + 1 < shops.Count)
                    {
                        shops.Insert(index + 1, currentShop);
                    }
                }

            }
            Console.WriteLine("Shops left:");
            Console.WriteLine(string.Join(" ", shops));

        }
    }
}