Background

Description

Given a string, return a new string where "not " has been added to the front. However, if the string already begins with "not", return the string unchanged. Note: use .equals() to compare 2 strings.

Format

Input

Output

Samples

candy

"not candy"

x

"not x"

not bad

"not bad"

Limitation

1s, 1024KiB for each test case.