I would like to give some feedback about ...good result but bug message
From: https://www.checkio.org/mission/most-wanted-letter/solve/
HTTP_USER_AGENT:
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.93 Safari/537.36
Created at: 2015/09/19 07:10; Updated at: 2015/09/21 15:59