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:
Muliple street signs giving direction in this neighborhood

Ex Output:
Muliple


Ex Input:
Yelklow and green bird sitting in tall grass.

Ex Output:
Yelklow


Ex Input:
This old qashed out photo shows a couple of people with several horses in front of a silo and barn.

Ex Output:

qashed