Bit Paths (100/100)

using System;
using System.Collections.Generic;

namespace BitPaths
{
    class BitPaths
    {
        static void Main()
        {
            int paths = int.Parse(Console.ReadLine());
            string[] pathsArray = new string[paths];
            for (int i = 0; i < pathsArray.Length; i++)
            {
                pathsArray[i] = Console.ReadLine();
            }
            int[,] board = new int[8,4];

            for (int i = 0; i < pathsArray.Length; i++)
            {
                string[] tempPath = pathsArray[i].Split(',');
                int initial = Convert.ToInt32(tempPath[0].ToString());
                int currentCol = initial;

                if (board[0,initial]==1)
                {
                    board[0, initial] = 0;
                }
                else
                {
                    board[0, initial] = 1;
                }
                for (int j = 0, k = 1; j < 7; j++,k++)
                {
                    if (tempPath[k] == "-1")
                    {
                        currentCol = currentCol-1;
                    }
                    else if (tempPath[k] == "+1")
                    {
                        currentCol = currentCol + 1;
                    }
                    if (board[k, currentCol] == 1)
                    {
                        board[k, currentCol] = 0;
                    }
                    else
                    {
                        board[k, currentCol] = 1;
                    }
                }
            }

            List<string> binaries = new List<string>();

            for (int i = 0; i < 8; i++)
            {
                string[] temp = new string[4];

                for (int j = 0; j < 4; j++)
                {
                    temp[j] = board[i, j].ToString();
                }
                string joined = string.Join("", temp);
                binaries.Add(joined);
            }

            int sum = 0;
            foreach (var binary in binaries)
            {
                sum += Convert.ToInt32(binary, 2);
            }
            Console.WriteLine(Convert.ToString(sum,2));
            Console.WriteLine(sum.ToString("X"));
        }
    }
}