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.

Ex Input:
A man carrying a surf board that looks like it was splattered with pqint.

Ex Output:
pqint.


Ex Input:
A basbeall player is holding his bat while waiting for a pitch.

Ex Output:
basbeall


Ex Input:
A plaen flying over a tree covered hillside with a highway traveling under a bridge.

Ex Output:

plaen