public class Solution {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));

        String nameFile = reader.readLine(), file;
        reader.close();

        BufferedReader fileReader = new BufferedReader(new InputStreamReader(new FileInputStream(nameFile)));
        ArrayList<Integer> list = new ArrayList<>();

        while((file = fileReader.readLine()) != null) {
            int tmp = Integer.parseInt(file);
            if (tmp % 2 == 0){
                list.add(tmp);
            }
        }
        fileReader.close();
        //Collections.sort(list);
        for (Integer integer : list) {
            System.out.println(integer);
        }
    }
}