The given sentence contains a typo which could be one of the following four types: (1) swapped letters of a word e.g. 'niec' is a typo of the word 'nice'. (2) missing letter in a word e.g. 'nic' is a typo of the word 'nice'. (3) extra letter in a word e.g. 'nicce' is a typo of the word 'nice'. (4) replaced letter in a word e.g 'nicr' is a typo of the word 'nice'. You need to identify the typo in the given sentence. To do this, answer with the word containing the typo.

Input: Consider Input: A laotop computer is sitting on the desk next to books.

Output: laotop


Input: Consider Input: Small bathroom with a tiny sink and small toilet next to each othe.

Output: othe.


Input: Consider Input: A graffiri covered wall is in the background as skateboarders are on the concrete floor in front of it.


Output: graffiri