//        File file = new File("input.txt");
//        int[] ints = new int[2];
//        try {
//            Scanner sc = new Scanner(new FileInputStream(file));
//            for (int i = 0; i < 2; i++) {
//                if (sc.hasNextInt())
//                    ints[i] = sc.nextInt();
//            }
//        } catch (Exception e) {
//            System.out.println(e.getMessage());
//        }
//
//        try(FileWriter writer = new FileWriter("output.txt", false)) {
//            String text = Double.toString(ints[0] + ints[1]);
//            writer.write(text);
//        } catch(IOException ex){
//            System.out.println(ex.getMessage());
//        }