In this task, you need to reverse all words of a given length in the sentence. The number of letters in a word determine its length. For example, the length of the word "apple" is 5.

Input: Consider Input: Sentence: 'a very small shiny metal cup with some food in it'. Reverse all words of length '4' in the given sentence.

Output: a yrev small shiny metal cup htiw emos doof in it


Input: Consider Input: Sentence: 'a bathroom with a white bath tub under a mirror'. Reverse all words of length '5' in the given sentence.

Output: a bathroom with a etihw bath tub rednu a mirror


Input: Consider Input: Sentence: 'a bird looks around as it sits on a wire'. Reverse all words of length '4' in the given sentence.


Output: a drib looks around as it stis on a eriw