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: 'three cows graze on the food that sits just outside their pens'. Reverse all words of length '5' in the given sentence.

Output: eerht cows ezarg on the food that sits just outside rieht pens


Input: Consider Input: Sentence: 'a clock tower with a weather vein that is lit up'. Reverse all words of length '7' in the given sentence.

Output: a clock tower with a rehtaew vein that is lit up


Input: Consider Input: Sentence: 'there is only one car that is parked on this street'. Reverse all words of length '3' in the given sentence.


Output: there is only eno rac that is parked on this street