int[] array = Console.ReadLine().Split().Select(int.Parse).ToArray();
            int K = array.Length / 4;
            int[] left = new int[K];
            int[] right = new int[K];
            int[] upper =new int [2 * K];
            int[] bottom = new int[2 * K];

            for (int i = 0; i < K; i++)
            {
                left[i] = array[i];
            }
            left = left.Reverse().ToArray();

            for (int i = 3*K , j =0; j < right.Length; j++ , i++)
            {
                right[j] = array[i];
            }
            right = right.Reverse().ToArray();

            for (int i = K,  j=0; i < bottom.Length;j++, i++)
            {
                upper[i] = left[j];
            }

            for (int i = left.Length, j = 0; j < right.Length; j++,i++)
            {
                upper[i] = right[j];
            }

            for (int i = 0; i < upper.Length; i++)
            {
                Console.Write(upper[i] + bottom[i] + " ");
            }