joan

import java.util.Arrays;
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String input = scanner.nextLine();
        int[] allNumbers = Arrays.stream(input.split("\\s+"))
                .mapToInt(Integer::parseInt)
                .toArray();
        for(int num : allNumbers) {
            if(num % 2 == 0) System.out.print(num + " ");
        }
        System.out.println();
        scanner.close();
    }

}