package yukicoder;

import java.util.Scanner;

public class Yukicoder {

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

		int A = sc.nextInt();
		int B = sc.nextInt();
		boolean D = false;

		for (int i = A; i <= B; i++) {

			String j = String.valueOf(i);
			String[] strArray = new String[j.length()];
			for (int m = 0; m < j.length(); m++) {
				String str2 = String.valueOf(j.charAt(m));
				strArray[m] = str2;
				int a = Integer.valueOf(strArray[m]);
				if (a == 3) {
					D = true;
					break;
				}
			}
			if (D == true || (i % 3) == 0) {
				System.out.println(i);
			}
			D = false;
		}
	}
}