package no207;

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		long a = sc.nextLong();
		long b = sc.nextLong();
		for(long x=a;x<=b;x++) {
			if (isAho(x)) {
				System.out.println(x);
			}
		}
	}

	public static boolean isAho(long n) {
		if (n % 3 == 0) {
			return true;
		}
		while(n > 0) {
			if (n % 10 == 3) {
				return true;
			}
			n/=10;
		}
		return false;
	}

}