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 kitchen with a sink table chair and a view ouside trough the windos

Output: windos


Input: Consider Input: The elephant is all alone in the wateer.

Output: wateer.


Input: Consider Input: An aiprlane with four people standing in front of the rotors.


Output: aiprlane