using System;

public class Program

{

    public static void Main()

    {

         int[] numbers = Console.ReadLine().Split(' ').Select(int.Parse).ToArray();

            int k = numbers.Length / 4;

            Array.Reverse(numbers);

            int[] result = new int[4 * k];

            for (int i = 0; i < k; i++)

            {

                result[i] += numbers[numbers.Length - k + i] + numbers[numbers.Length - k - i - 1];

                result[i + k] += numbers[i] + numbers[numbers.Length - (4 * k) - i - 1];

            }

            Console.WriteLine(string.Join(" ", result));

    }

}