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 sprya painted colorful bus driving down the road

Ex Output:
sprya


Ex Input:
A man weaering a red tie and black jacket walking across a rain soaked parking lot.

Ex Output:
weaering


Ex Input:
Man rating a donut gives a thumbs up sign

Ex Output:

rating