In our acm team, there are three people, HJX is a big cow, XJH is our coach and HXJ is a newbie of 2011.
Then we will input several words, you should pick up the first letters of each words, and you should tell me is he Cow, Coach, Newbie or Nobody.

This problem has several cases.
For each case just contain one line with several words. words are composed of 'A'-'Z' or 'a'-'z'.
The length of each word will not exceed 200. And there's only one space between two words.

print Cow, Coach, Newbie or Nobody.