Max has a crisis: he has not mentioned Mr. DeMello once in this contest!

Since this is a massive issue, Max begs you to check if he has mentioned him.

He will give you a string of lowercase letters $S$ (a sentence from the contest) and ask you to detect if demello is in the string.

If demello is in the string, output liar; otherwise, output what are we going to do?.

Can you help Max fix his contest?

Constraints

$1\le |S|\le {10}^5$

$S$ will only contain lowercase letters.

Note that $|S|$ denotes the length of string $S$.

Subtask 1 [50%]

$S$ will contain demello.

Subtask 2 [50%]

No additional constraints.

Input Specification

The first line will contain $S$, the string to check for the presence of demello.

Output Specification

If demello is in the string, output liar; otherwise, output what are we going to do?.

Sample Input 1

testtestdemellotest

Sample Output 1

liar

Sample Input 2

no

Sample Output 2

what are we going to do?