Программа работает, но валидатор ругается.

public class Solution {
    public static void main(String[] args) throws Exception {
        // напишите тут ваш код

        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        //String fileName = "C:/1/" + reader.readLine() + ".txt";
        FileInputStream fileInputStream = new FileInputStream(reader.readLine());
        InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream);
        BufferedReader bufferedReader = new BufferedReader(inputStreamReader);

        ArrayList<String> strings = new ArrayList<>();

        String s;
        while ((s = bufferedReader.readLine()) != null) {
            strings.add(s);
        }



        ArrayList<Integer> integers = new ArrayList<>();

        for (int i = 0; i < strings.size(); i++) {

            try {
                if (Integer.parseInt(strings.get(i)) % 2 == 0) {
                    integers.add(Integer.parseInt(strings.get(i)));
                }
            } catch (Exception e) {
            }
        }

        Integer[] ints = integers.toArray(new Integer[integers.size()]);

        Arrays.sort(ints);

        for (Integer a : ints
                ) {
            System.out.println(a);
        }

        //fileInputStream.close();
        inputStreamReader.close();
        //bufferedReader.close();


    }
}