• "Bad Gateway" message

 

I would like to give some feedback about ...

From: https://py.checkio.org/mission/mathematically-lucky-tickets/solve/

HTTP_USER_AGENT:

Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36

"Bad Gateway" message in console output while confirming solution.