Advent of Code, Day 3: Perfectly Spherical Houses in

using System;
using System.Linq;

namespace SantasDeliveryRoute
{
    class Program
    {
        static void Main(string[] args)
        {
            //import the file as string
            string input = System.IO.File.ReadAllText("input.txt");
            int xSantaPos = input.Length;
            int ySantaPos = input.Length;
            int xRoboSantaPos = input.Length;
            int yRoboSantaPos = input.Length;
            int prezzieDeliveryCounter = 0;
            int[,] houses = new int[input.Length * 2, input.Length * 2];
            int uniquehouses = 0;
            bool bSantasTurn = true;

            //Santa's First Present
            houses[xSantaPos, ySantaPos]++;
            prezzieDeliveryCounter++;
            uniquehouses++;
            Console.WriteLine("{0} Total Presents Delivered to {1} unique houses", prezzieDeliveryCounter, uniquehouses);

            //RoboSanta's First Present
            houses[xRoboSantaPos, yRoboSantaPos]++;
            prezzieDeliveryCounter++;
            Console.WriteLine("{0} Total Presents Delivered to {1} unique houses", prezzieDeliveryCounter, uniquehouses);

            foreach (char dirToGo in input)
            {
                //Track Santa's Movement
                if (bSantasTurn)
                {
                    switch (dirToGo)
                    {
                        case '^':
                            ySantaPos++;
                            break;
                        case 'v':
                            ySantaPos--;
                            break;
                        case '>':
                            xSantaPos++;
                            break;
                        case '<':
                            xSantaPos--;
                            break;
                    }
                    //Deliver a present at the current pos
                    houses[xSantaPos, ySantaPos]++;
                    prezzieDeliveryCounter++;
                    if (houses[xSantaPos, ySantaPos] == 1)
                    {
                        uniquehouses++;
                    }
                    bSantasTurn = false;
                }
                else //Track RoboSanta's Movement
                {
                    switch (dirToGo)
                    {
                        case '^':
                            yRoboSantaPos++;
                            break;
                        case 'v':
                            yRoboSantaPos--;
                            break;
                        case '>':
                            xRoboSantaPos++;
                            break;
                        case '<':
                            xRoboSantaPos--;
                            break;
                    }
                    //Deliver a present at the current pos
                    houses[xRoboSantaPos, yRoboSantaPos]++;
                    prezzieDeliveryCounter++;
                    if (houses[xRoboSantaPos, yRoboSantaPos] == 1)
                    {
                        uniquehouses++;
                    }
                    bSantasTurn = true;
                }

                Console.WriteLine("{0} Total Presents Delivered to {1} unique houses", prezzieDeliveryCounter, uniquehouses);
            }

            // Suspend the screen.
            Console.ReadLine();
        }
    }
}