Sum Matrix Elements

package MultidimensionalArrays;

import java.util.Scanner;

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

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

        int rows = Integer.parseInt(input[0]);
        int cols = Integer.parseInt(input[1]);

        String[][] matrix = new String[rows][cols];

        int sum = 0;
        for (int row = 0; row < rows; row++) {
            matrix[row] = scanner.nextLine().split(", ");

            for (int col = 0; col < matrix[row].length; col++) {
                sum += Integer.parseInt(matrix[row][col]);
            }
        }
        System.out.println(rows);
        System.out.println(cols);
        System.out.println(sum);
    }
}