import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int a = Integer.parseInt(scanner.next());
        int b = Integer.parseInt(scanner.next());

        for (int i = a; i <= b; i++) {
            boolean isOutputNum = (isThreeMultiple(i)) || (isThreeContains(i));
            if (isOutputNum) {
                System.out.println(i);
            }
        }
    }

    private static boolean isThreeMultiple(int num) {
        return (num % 3 == 0);
    }

    private static boolean isThreeContains(int num) {
        String numText = Integer.toString(num);
        for (int i = 0; i < numText.length(); i++) {
            String subTextNum = numText.substring(i, i + 1);
            if (Integer.parseInt(subTextNum) == 3) {
                return true;
            }
        }
        return false;
    }
}