The following languages are additionally available for the problems from the contest
April Fools Day Contest 2022:
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→ Virtual participation
Virtual contest is a way to take part in past contest, as close as possible to participation on time. It is supported only ICPC mode for virtual contests.
If you've seen these problems, a virtual contest is not for you - solve these problems in the archive.
If you just want to solve some problem from a contest, a virtual contest is not for you - solve this problem in the archive.
Never use someone else's code, read the tutorials or communicate with other person during a virtual contest.
In every generation there is a Chosen One. She alone will stand against the vampires, the demons, and the forces of darkness. She is the Slayer. — Joss Whedon
Input
A string $$$s$$$ ($$$3 \le |s| \le 7$$$) consisting of lowercase English letters.
Output
A single string. If there is no answer, print "none" (without the quotes).