Exam25July2014Evening5ChangeEvenBits

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Exam25July2014Evening5ChangeEvenBits
{
    class ChangeEvenBits
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            int[] numbers = new int[n];

            for (int i = 0; i < n; i++)
            {
                numbers[i] = int.Parse(Console.ReadLine());
            }

            ulong l = ulong.Parse(Console.ReadLine());
            ulong result = l;

            string allOneBits = "1010101010101010101010101010101";

            for (int i = 0; i < n; i++)
            {
                int len = Convert.ToString(numbers[i], 2).Length;
                int tempNum = Convert.ToInt32(allOneBits.Substring(0, 2 * len - 1), 2);
                result |= (ulong)tempNum;
            }

            string lString = Convert.ToString((int)l, 2).PadLeft(64, '0');
            string resultString = Convert.ToString((int)result, 2).PadLeft(64, '0');
            int changeBits = 0;

            for (int i = 0; i < 64; i++)
            {
                if (lString[i] != resultString[i])
                {
                    changeBits++;
                }
            }

            Console.WriteLine(result);
            Console.WriteLine(changeBits);
        }
    }
}