OCC '19 B1 - Darcy_Liu
Darcy_Liu is the real Darcy Liu. However, there are many fake Darcys.
The real Darcy has one underscore in his username. Fake Darcys start with darcy
, contain a positive number of underscores, and end with liu
. Uppercase and lowercase do not matter, and usernames only contain alphanumeric characters and underscores.
Given a Dmoj username, print whether it is real
, fake
, or other user
.
Input Specification
One string, .
Output Specification
The answer.
Constraint
Sample Input 1
Darcy_liu
Sample Output 1
real
Sample Input 2
darcY_______lIu
Sample Output 2
fake
Sample Input 3
Darsee_Lew
Sample Output 3
other user
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