Bohemcho The Bad Ghost

using System;
using System.Linq;

namespace TheBadGhost
{
    class Program
    {
        static void Main(string[] args)
        {
            int lightsOnCounter = 0;
            ulong finalScore = 0;
            string inputString = Console.ReadLine();
            while (!inputString.Contains("Stop, God damn it"))
            {
                ulong floor = ulong.Parse(inputString);
                int[] apartments = Console.ReadLine().Split(' ').Select(int.Parse).ToArray();
                for (int i = 0; i < apartments.Length; i++)
                {
                    floor = floor ^ (1u << apartments[i]);
                }
                for (int i = 0; i < 32; i++)
                {
                    bool isBitUp = (floor >> i & 1) == 1;
                    if (isBitUp)
                    {
                        lightsOnCounter++;
                    }
                }
                finalScore += floor;
                inputString = Console.ReadLine();
            }
            Console.WriteLine("Bohemcho left {0} lights on and his score is {1}", lightsOnCounter, finalScore);
        }
    }
}