Exam 9. Sequence of K Numbers

namespace _2.SequenceOfK_Numbers
{
    using System;
    using System.Collections.Generic;

    public class SequenceOfK_Numbers
    {
        public static void Main(string[] args)
        {
            checked
            {
                string inputLine = Console.ReadLine();
                int numK = int.Parse(Console.ReadLine());

                if (numK > 1)
                {
                    int[] seqNums = SplitInputStringAndCreateArrayOfNumbers(inputLine);
                    int countOfEquals = 1;
                    for (int i = 1; i < seqNums.Length; i++)
                    {
                        int previousNum = seqNums[i - 1];
                        if (i < seqNums.Length - 1)
                        {
                            if (seqNums[i] == previousNum)
                            {
                                countOfEquals++;
                            }
                            else
                            {
                                PrintNextRightNumber(numK, countOfEquals, previousNum);
                                countOfEquals = 1;
                            }
                        }
                        else
                        {
                            if (seqNums[i] == previousNum)
                            {
                                countOfEquals++;
                                PrintNextRightNumber(numK, countOfEquals, previousNum);
                            }
                            else
                            {
                                Console.WriteLine(seqNums[i]);
                            }
                        }
                    }
                }
            }
        }

        private static void PrintNextRightNumber(int numK, int countOfEquals, int previousNum)
        {
            checked
            {
                int maxWrite = countOfEquals % numK;
                for (int j = 0; j < maxWrite; j++)
                {
                    Console.Write("{0} ", previousNum);
                }
            }
        }

        private static int[] SplitInputStringAndCreateArrayOfNumbers(string inputStr)
        {
            checked
            {
                char[] separators = new char[] { ' ', ',', ';' };
                string[] numStr = inputStr.Split(separators, StringSplitOptions.RemoveEmptyEntries);
                int[] nums = new int[numStr.Length];
                for (int i = 0; i < numStr.Length; i++)
                {
                    nums[i] = int.Parse(numStr[i]);
                }

                return nums;
            }
        }
    }
}