Compare 2D Matrices

import java.util.Scanner;

public class Compare2DMatrices {

    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);

        String[] values1 = sc.nextLine().split(" ");
        int rows1 = Integer.parseInt(values1[0]);
        int columns1 = Integer.parseInt(values1[1]);
        String elements1 = "";

        for (int i = 0; i < rows1; i++) {
            elements1 = sc.nextLine();
        }

        int[][] matrix1 = readMatrix(rows1, columns1, elements1);

        String[] values2 = sc.nextLine().split(" ");
        int rows2 = Integer.parseInt(values2[0]);
        int columns2 = Integer.parseInt(values2[1]);
        String elements2 = "";

        for (int i = 0; i < rows1; i++) {
            elements2 = sc.nextLine();
        }

        int[][] matrix2 = readMatrix(rows2, columns2,elements2);

        if (matrix1.length != matrix2.length ||
                matrix1[0].length != matrix2[0].length) {
            System.out.println("not equal");
            return;
        }

        for (int row = 0; row < matrix1.length; row++) {
            for (int col = 0; col < matrix1[row].length; col++) {
                if (matrix1[row][col] != matrix2[row][col]) {
                    System.out.println("not equal");
                    return;
                }
            }
        }
        System.out.println("equal");

    }

    private static int[][] readMatrix(int rows, int columns, String input) {

        Scanner sc = new Scanner(System.in);

        int[][] matrix = new int[rows][columns];
        for (int row = 0; row < rows; row++) {
            String[] inputElements = input.split(" ");
            for (int col = 0; col < columns; col++) {
                matrix[row][col] = Integer.parseInt(inputElements[col]);

            }
        }
        return matrix;
    }

}