• Wrong check

I would like to give some feedback about ...

From: http://www.checkio.org/mission/find-friends/solve/


Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.125 Safari/537.36

When I check on my laptop or in chekio "Try it" it works as it is suppose to but when I run it it alert wrong answer I don't know what more to do.

Sorry for my bad English.