??!

Joonha was signing up for a site when he saw that the id joonas already exists, and it surprised him. Joonha writes surprise as ??!. Given an id that already exists on the site, print Joonha's surprise.

The first line contains the id that already exists on the site. The id consists of lowercase letters only, and its length does not exceed 50.

Print Joonha's surprise on the first line. The surprise is the id with ??! appended to it.