import java.util.Scanner;
import java.util.stream.IntStream;

public class No207 {

    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        int from = s.nextInt();
        int to = s.nextInt();
        IntStream.range(from, to + 1).forEach(n -> {
            if (n % 3 == 0 || (n + "").contains("3")) {
                System.out.println(n);
            }
        });
    }
}