Bomb Numbers

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

namespace Bomb_Numbers_Lits_Exercises
{
    class Program
    {
        static void Main(string[] args)
        {

            List<int> nums = Console.ReadLine()
                .Split()
                .Select(int.Parse)
                .ToList();

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

           // string[] splitedBombNum = bombNum.Split(" ");
            int specialNum = bombNum[0];
            int power = bombNum[1];

            while (nums.Contains(specialNum))
            {

                int index = nums.IndexOf(specialNum);

                if (index < power)
                {
                    nums.RemoveRange(0, index);
                }
                else
                {
                    nums.RemoveRange(index - power, power);
                }

                index = nums.IndexOf(specialNum);

                if (index + power + 1 < nums.Count)
                {
                    nums.RemoveRange(index, power + 1);
                }
                else
                {
                    nums.RemoveRange(index, nums.Count - index);
                }

            }

            Console.WriteLine(nums.Sum());
        }
    }
}