#!/usr/bin/env python
# -*- coding: utf-8 -*-

def main():
    numbers = input().split()
    min_num = int(numbers[0])
    max_num = int(numbers[1])

    num_list = []

    for i in range(min_num,max_num + 1):
        if i % 3 == 0:
            num_list.append(i)
        elif '3' in list(str(i)) :
            num_list.append(i)

    num_list = list(set(num_list))
    num_list.sort()

    for j in num_list:
        print(j)


if __name__ == '__main__':
    main()