import java.io.IOException;
import java.util.Scanner;

public class No00000207_Main {

	public static void main(String[] args) throws IOException {

		Scanner scan = new Scanner(System.in);
		int a = scan.nextInt();
		int b = scan.nextInt();

		for(int i = a; i <= b; i++) {
			if(i % 3 == 0 || with3(String.valueOf(i))) {
				System.out.println(i);
			}
		}
		scan.close();
	}

	private static boolean with3(String str) {
		for(int i = 0; i < str.length(); i++) {
			if(str.charAt(i) == '3') {
				return true;
			}
		}
		return false;
	}
}