Given a non-empty string without spaces, if
the three characters at the end are "ma?", reply to "En!"
(without quotation marks).
Otherwise, repeat it.
Each testcase has only one line contains a
string without spaces, the length of the string is no more than 200 characters.
For each testcase, print a string
respecting your answer in one line.
3 Nihaoma? Xiexieni! Hello?
En! Xiexieni! Hello?