Maximal Sum

package MultidimensionalArrays2;

import java.util.Scanner;

public class MaximalSum {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String[] input = scanner.nextLine().split(" ");

        int row = Integer.parseInt(input[0]);
        int col = Integer.parseInt(input[0]);
        String[][] matrix = new String[row][col];

        for (int i = 0; i < row; i++) {
            matrix[i] = scanner.nextLine().split(" ");
        }

        int maxSum = Integer.MIN_VALUE;
        int startRow = 0;
        int startCol = 0;

        for (int i = 0; i < matrix.length - 2; i++) {
            for (int j = 0; j < matrix[i].length - 2; j++) {
                int sum = Integer.parseInt(matrix[i][j]) + Integer.parseInt(matrix[i][j + 1]) + Integer.parseInt(matrix[i][j + 2]) +
                        Integer.parseInt(matrix[i + 1][j]) + Integer.parseInt(matrix[i + 1][j + 1]) + Integer.parseInt(matrix[i + 1][j + 2]) +
                        Integer.parseInt(matrix[i + 2][j]) + Integer.parseInt(matrix[i + 2][j + 1]) + Integer.parseInt(matrix[i + 2][j + 2]);

                if (sum > maxSum) {
                    startRow = i;
                    startCol = j;
                    maxSum = sum;
                }
            }
        }

        System.out.println("Sum = " + maxSum);
        for (int i = startRow; i < startRow + 3; i++) {
            for (int j = startCol; j < startCol + 3; j++) {
                System.out.print(matrix[i][j] + " ");
            }
            System.out.println();
        }
    }
}