import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;

public class No207 {

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

        List<Integer> nums = new ArrayList<>();
        for (int i = a; i <= b; i++) {
            if (i % 3 == 0) {
                nums.add(i);
            } else if (String.valueOf(i).indexOf("3") >= 0) {
                nums.add(i);
            }
        }
        Collections.sort(nums);

        for (int n : nums) {
            System.out.println(n);
        }

        sc.close();
    }

}