import java.util.LinkedHashSet;
import java.util.Scanner;
import java.util.Set;

public class Sekaino {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int from = scan.nextInt();
		int to = scan.nextInt();
		Set<Integer> threeList = new LinkedHashSet<Integer>();
		for (int i = from; i <= to; i++) {
			if (i % 3 == 0 || String.valueOf(i).contains("3")) {
				threeList.add(i);
			}
		}
		for (int num : threeList) {
			System.out.println(num);
		}

	}

}