def main():

  answer_list = []
  str_change_list = []
  str_answer_list = []
  A, B = map(int, input().split())
  nunbers_list = [i for i in range(A, (B+1))]
  for i in nunbers_list:
    if i % 3 == 0 or "3" in str(i):
      answer_list.append(i)
  for answer in answer_list:
    print(answer)

if __name__ == '__main__':
  main()