import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int A = scanner.nextInt();
		int B = scanner.nextInt();
		System.out.println(new Solver().solve(A, B));
	}

}

class Solver {

	public String solve(int a, int b) {
		StringBuilder sb = new StringBuilder();
		for (int i = a; i <= b; i++) {
			if (i % 3 == 0 || String.valueOf(i).contains("3")) {
				sb.append(i);
				sb.append("\n");
			}
		}
		return sb.toString();
	}

}