Jumping Sums (100/100)

using System;
using System.Collections.Generic;
using System.Linq;

namespace JumpingSums2
{
    class JumpingSums2
    {
        static void Main()
        {
            string input = Console.ReadLine();
            int jumps = int.Parse(Console.ReadLine());
            string[] splitInput = input.Split(' ');
            List<int> numbers = new List<int>();
            for (int i = 0; i < splitInput.Length; i++)
            {
                numbers.Add(Convert.ToInt32(splitInput[i].ToString()));
            }
            List<int> sums = new List<int>();
            for (int i = 0; i < numbers.Count; i++)
            {
                int tempSum = numbers[i];
                int currentIndex = i;

                for (int j = 0; j < jumps; j++)
                {
                    currentIndex = (numbers[currentIndex]+currentIndex)%numbers.Count;
                    tempSum += numbers[currentIndex];
                }
                sums.Add(tempSum);
            }
            Console.WriteLine("max sum = {0}",sums.Max());
        }
    }
}