02. Santa's Gifts

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

namespace SantasGifts
{
    class Program
    {
        static void Main(string[] args)
        {
            int commandNumbers = int.Parse(Console.ReadLine());

            var houses = Console.ReadLine().Split().ToList();

            int index = 0;

            for (int i = 0; i < commandNumbers; i++)
            {
                int currentIndex = index;

                var command = Console.ReadLine().Split().ToList();

                if (command[0] == "Forward" || command[0] == "Back")
                {
                    int steps = int.Parse(command[1]);
                    currentIndex += (command[0] == "Forward" ? steps : -steps);
                    if(currentIndex >= 0 && currentIndex < houses.Count)
                    {
                        index = currentIndex;
                        houses.RemoveAt(index);
                    }
                }
                else if (command[0] == "Gift")
                {
                    currentIndex = int.Parse(command[1]);
                    if (currentIndex >= 0 && currentIndex < houses.Count)
                    {
                        index = currentIndex;
                        houses.Insert(index, command[2]);
                    }
                }
                else if (command[0] == "Swap")
                {
                    int index1 = houses.IndexOf(command[1]),
                        index2 = houses.IndexOf(command[2]);

                    if (index1 != -1 && index2 != -1)
                    {
                        string value = houses[index1];
                        houses[index1] = houses[index2];
                        houses[index2] = value;
                    }
                }
            }

            Console.WriteLine($"Position: {index}");

            if (houses.Count() > 0)
            {
                Console.WriteLine(string.Join(", ", houses));
            }
        }
    }
}