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 guty making a face while looking at his cell phone

Output: guty


Input: Consider Input: The room as champagne in a bucket and a rose tied with ribbon and a note, resting on a bed.

Output: as


Input: Consider Input: A cake with a person cutting into oit.


Output: oit.