int r =Integer.parseInt(line.substring(0));
            int c = 10;
            String[][] matrix = new String[r][c];
 
        while (line !=null)
        {
            for(int i =0; i< r; i++)
            {
 
                for (int j =0; j< c; j++)
                {
                    line = br.readLine();
                    matrix[i][j] = line;
                }
            }
        }
 
            System.out.print(matrix[0][1]);
        }