import java.util.Scanner;

class Yukicoder {
    static public void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int A = scanner.nextInt();
        int B = scanner.nextInt();
        int dif = B - A;

        if (A < 1 || B < 1 || A > 2000000000 || B > 2000000000 || dif < 0 || dif > 99) System.exit(1);

        int tmp;
        for (int i = 0; i <= dif; i++) {
            if (A%3 == 0) {
                System.out.println(A);
            } else {
                tmp = A;
                for (int j = 0; j < 10; j++) {
                    if (tmp%10 == 3){
                        System.out.println(A);
                        break;
                    }

                    tmp = tmp/10;

                    if (tmp == 0) break;
                }
            }
            A++;
        }
    }
}