Rotate and Sum

using System;
using System.Linq;

namespace _02._Rotate_and_Sum
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] arrToRotate = Console.ReadLine().Split(' ').Select(int.Parse).ToArray();

            int rotationsNum = int.Parse(Console.ReadLine());

            int[] sumOfArrays = GetSumOfRotatedArrays(arrToRotate, rotationsNum);

            PrintSumOfArrays(sumOfArrays);

        }

        static int[] ArrayRightToLeftRotation(int[] arr)
        {
            int[] rotatedArr = new int[arr.Length];

            rotatedArr[0] = arr[arr.Length - 1];

            for (int i = 1; i < arr.Length; i++)
            {
                rotatedArr[i] = arr[i - 1];
            }

            return rotatedArr;
        }

        static int[] GetSumOfRotatedArrays(int[] arrToRotate, int rotationsNum)
        {
            int[] sumOfArrays = new int[arrToRotate.Length];

            int[] rotatedArr = new int[arrToRotate.Length];

            rotatedArr = ArrayRightToLeftRotation(arrToRotate);

            for (int i = 0; i < rotationsNum; i++)
            {
                for (int k = 0; k < sumOfArrays.Length; k++)
                {
                    sumOfArrays[k] += rotatedArr[k];
                }

                rotatedArr = ArrayRightToLeftRotation(rotatedArr);
            }

            return sumOfArrays;
        }

        static void PrintSumOfArrays(int[] sumOfArrays)
        {
            Console.WriteLine(string.Join(" ",sumOfArrays));
        }
    }
}