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 woan and girl sitting at a table with a plate of cake.

Output: woan


Input: Consider Input: A griup of soldiers are in a room talking and eating pizza.

Output: griup


Input: Consider Input: Cloase up on two slices of pizza in a cardboard pizza box.


Output: Cloase