using System;

using System.Collections.Generic;

using System.Text;

​

​

public class Neurons

{

    public static void Main()

    {

        List<long> numbers = new List<long>();

        StringBuilder sequence = new StringBuilder();

        const int width = 32;

        int height = 0;

        while (true)

        {

            long n = long.Parse(Console.ReadLine());

            if (n == -1)

            {

                break;

            }

            numbers.Add(n);

            height++;

        }

​

        //creating the matrix and filling with "." for 0 and "B" (border) for 1

​

        string[,] matrix = new string[height, width]; 

​

        for (int row = 0; row < height; row++)

        {

​

            for (int col = width - 1; col >= 0; col--)

            {

                long digit = numbers[row] & (1 << col);

                sequence.Append(digit);

​

                if (digit == 0)

                {

                    matrix[row, (width - 1) - col] = ".";

                }

                else

                {

                    matrix[row, (width - 1) - col] = "B";

                }

            }

        }

​

        //matrix is filled uncomment next few lines to see how it looks

​

        //for (int row = 0; row < height; row++)

        //{

        //    for (int col = 0; col < width; col++)

        //    {

        //        Console.Write(matrix[row, col]);

        //    }

        //    Console.WriteLine();

        //}

​

        // filling left side with "B" until another "B" is reached

        for (int row = 0; row < height; row++)

        {

            for (int col = 0; col < width; col++)

            {

                if (matrix[row, col] == ".")

                {

                    matrix[row, col] = "B";

                }

                else

                {

                    break;

                }

​

            }

        }

​

        // filling right side from right ti left with "B" until another "B" is reached

        for (int row = 0; row < height; row++)

        {

            for (int col = width - 1; col >= 0; col--)

            {

                if (matrix[row, col] == ".")

                {

                    matrix[row, col] = "B";

                }

                else

                {

                    break;

                }

​

            }

        }

​

        //matrix is completed "B" and now "B" is for 0 and "." is for one

        // uncomment next few lines to see how it looks after

​

        //for (int row = 0; row < height; row++)

        //{

        //    for (int col = 0; col < width; col++)

        //    {

        //        Console.Write(matrix[row, col]);

        //    }

        //    Console.WriteLine();

        //}

​

        for (int row = 0; row < height; row++)

        {

​

            StringBuilder binNum = new StringBuilder();

            for (int col = 0; col < width; col++)

            {

                if (matrix[row, col] == "B")

                {

                    binNum.Append("0");

                }

                else

                {

                    binNum.Append("1");

                }

            }

​

            int digit = 0;

            int pow = 0;

            long result = 0;

            for (int i = binNum.Length - 1; i >= 0; i--)

            {

                digit = binNum[i] - '0';

                result += (long)(digit * (Math.Pow(2, pow)));

                pow++;

            }

            Console.WriteLine(result);

        }

    }

}

​

​