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: Teh man and the woman are eating pizza.

Output: Teh


Input: Consider Input: A zevbra eating food in a enclosure with a man and baby looking on.

Output: zevbra


Input: Consider Input: The nan is dressed in a shirt, tie, and hat.


Output: nan