Exam 3. Largest 3 Rectangles

import java.util.Scanner;

public class _3_Largest3Rectangles {

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

        inputSequence = inputSequence.replace("[", "");
        inputSequence = inputSequence.replace(" ", "");
        String[] rectangleSeq = inputSequence.split("]");

        int largestTotalArea = findTheLargestThreeConsecutiveRectangles(rectangleSeq);

        System.out.println(largestTotalArea);
    }

    private static int findTheLargestThreeConsecutiveRectangles(
            String[] rectangles) {
        int maxArea = 0;
        int totalArea;
        for (int i = 0; i + 2 < rectangles.length; i++) {
            totalArea = 0;
            for (int j = i; j < i + 3; j++) {
                String[] sides = rectangles[j].split("x");
                totalArea += (Integer.parseInt(sides[0]) * Integer
                        .parseInt(sides[1]));
            }

            if (totalArea > maxArea) {
                maxArea = totalArea;
            }
        }

        return maxArea;
    }

}