05.XBits

using System;

class XBits
{
    static void Main()
    {
        int[] numbrer = new int[8];
        int counter = 0;
        for (int i = 0; i < numbrer.Length; i++)
        {
            numbrer[i] = int.Parse(Console.ReadLine());
        }

        for (int i = 0; i < numbrer.Length-2; i++)
        {
            for (int bit = 0; bit < 30; bit++)
            {
                int topNumber = numbrer[i];
                int middleNumber = numbrer[i + 1];
                int bottomNumber = numbrer[i + 2];


                if (((topNumber >> bit) & 7) == 5 && ((middleNumber >>bit) & 7) == 2 &&((bottomNumber>>bit & 7))==5)
                {
                    counter++;
                }
            }

        }
        Console.WriteLine(counter);
    }
}