e-olymp
Problems

Orange barrels

Orange barrels

BusinessmanVasiliy, after readingthe famous bookdecided to opena new business -to shiporangesbarrels.Partnersis important to knowhow manybarrelsof orangesare shippedevery day.

Mobile phoneonly supportstraslitVasily, so hesendsmessages like "n bochek". For example, "3 bochki" or "1 bochka".

Write a program thatselectsthe correct word(from "bochka", "bochek", "bochki") depending on then.

Input

Oneintegern (0n1000).

Output

The phraseontraslite.

Time limit 1 second
Memory limit 128 MiB
Input example #1
1
Output example #1
1 bochka
Input example #2
15
Output example #2
15 bochek
Input example #3
3
Output example #3
3 bochki