public static void main(String[] args) {
        String x;
        String y;
        Scanner fileName = null;
        try {
            fileName = new Scanner(new File("C:/Users/TOSHIBA/Desktop/maze21.txt"));
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }
        List<String> tempList = new ArrayList<>();

        while (fileName.hasNextLine()) {
            String line = fileName.nextLine();
            tempList.add(line);
        }

        x = fileName.nextLine();
        y = fileName.nextLine();
        int row = x.length();
        int column = y.length();

        boolean[][] cells = new boolean[tempList.size()][tempList.get(0).length()];

        String finalX = fileName.nextLine();
        String finalY = fileName.nextLine();
        cells[finalX.length()][finalY.length()] = true;

        for (int i = 0; i < cells.length; i++) {
            for (int j = 0; j < cells[i].length; j++) {
                if (cells[i][j])
                    System.out.print("#");
                else
                    System.out.print(" ");
            }
            System.out.println();
        }

    }