F. In Every Generation...
time limit per test
1 second
memory limit per test
256 megabytes
input
standard input
output
standard output
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).

Example
Input
tourist
Output
ooggqjx