Background

Description

Given a string and a non-empty word string, return a version of the original String where all chars have been replaced by pluses ("+"), except for appearances of the word string which are preserved unchanged.

Format

Input

Output

Samples

12xy34" "xy

"++xy++"

12xy34" "1

"1+++++"

12xy34xyabcxy" "xy

"++xy++xy+++xy"

Limitation

1s, 1024KiB for each test case.