import java.util.Scanner;

public class No207 {
	private static final String k = " ";

	public static void main(String[] args) {
		String input = null;
		Scanner sc = new Scanner(System.in);
		input = sc.nextLine();
		String[] split = input.split(k);
		int a = Integer.parseInt(split[0]);
		int b = Integer.parseInt(split[1]);

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

}