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:
Some people are playing frisbee in a vallye.

Ex Output:
vallye.


Ex Input:
Flowers in a vase filled with water on top of a tbale.

Ex Output:
tbale.


Ex Input:
A wonan with a heart on her lip is holding a teddy bear.

Ex Output:

wonan