AT_abc475_a [ABC475A] mnclr

You are given a string $ S $ consisting of lowercase English letters. Output the string obtained by inserting `o` between each pair of adjacent characters of $ S $ .

The input is given from Standard Input in the following format: > $ S $

Output the answer.

### Constraints - $ S $ is a string of length between $ 2 $ and $ 10 $ (inclusive) consisting of lowercase English letters.