C#Exams 2. Biggest Triple (on Java Code)

import java.util.Scanner;

public class _2_BiggestTriple {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Scanner scan = new Scanner(System.in);
        String inputLine = scan.nextLine();

        String[] numStr = inputLine.split("[ ]+");

        if (numStr.length > 3) {
            int biggestSum = -3001;
            int endIndex = 2;
            for (int i = 2; i < numStr.length; i += 3) {
                int num1 = Integer.parseInt(numStr[i - 2]);
                int num2 = Integer.parseInt(numStr[i - 1]);
                int num3 = Integer.parseInt(numStr[i]);

                int sum = num1 + num2 + num3;

                if (sum > biggestSum) {
                    biggestSum = sum;
                    endIndex = i;
                }
            }

            int startIndex = endIndex - 2;
            int remainderOfCount = numStr.length % 3;
            if (remainderOfCount != 0) {
                int sumLastNums = 0;
                for (int i = 1; i <= remainderOfCount; i++) {
                    sumLastNums += Integer.parseInt(numStr[numStr.length - i]);
                    if (sumLastNums > biggestSum) {
                        startIndex = numStr.length - remainderOfCount;
                        endIndex = numStr.length - 1;
                    }
                }
            }

            for (int i = startIndex; i <= endIndex; i++) {
                System.out.print(numStr[i] + " ");
            }

        } else {
            System.out.println(inputLine);
        }
    }

}