import java.util.Scanner;

public class Main_yukicoder207 {
	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int a = sc.nextInt();
		int b = sc.nextInt();

		for (int i = a; i <= b; i++) {
			if (i % 3 == 0) {
				System.out.println(i);
			} else {
				int tmp = i;
				while (tmp != 0) {
					if (tmp % 10 == 3) {
						System.out.println(i);
						break;
					}
					tmp /= 10;
				}
			}
		}
		
		sc.close();
	}
}