import java.io.*;
import java.util.ArrayList;
import java.util.List;

public class Solution {
    public static void main(String[] args) throws IOException {


//        BufferedReader reader1 = new BufferedReader(new FileReader(filename));

        try (BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
             BufferedReader reader1 = new BufferedReader(new FileReader(reader.readLine()))) {

            String line = null;
            List<Integer> lines = new ArrayList<Integer>();

            while ((line = reader1.readLine()) != null) {
                lines.add(Integer.parseInt(line));
            }


//        reader.close();
//        reader1.close();

            for (int i = 0; i < lines.size(); i++) {
                if (lines.get(i) % 2 != 0) {
                    lines.remove(i);
                    i = i - 1;
                }
            }

            int temp = 0;
            for (int j = 0; j < lines.size(); j++) {
                for (int i = 1; i < lines.size() - j; i++) {
                    if (lines.get(i - 1) > lines.get(i)) {
                        temp = lines.get(i);
                        lines.set(i, lines.get(i - 1));
                        lines.set(i - 1, temp);
                    }
                }
            }


            for (int i = 0; i < lines.size(); i++) {
                System.out.println(lines.get(i));
            }
        } catch (Exception e) {
            e.printStackTrace();

            // напишите тут ваш код
        }
    }}