Byang is creating an account on Toph. He needs your help to create a strong password.
Byang will give you a word, and you will need to make the following changes to the word to make it a stronger password:
.(period) at the end of the password
The input will contain a string A (Length of A < 16). A will contain lowercase alphabets only.
Print the better password after applying all of the necessary changes to the original word A.