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 cat sleeping with is hear resting on a keyboard'. Reverse all words of length '4' in the given sentence.

Output: a cat sleeping htiw is raeh resting on a keyboard


Input: Consider Input: Sentence: 'a large grouo of people riding on a bunch of motorcycles'. Reverse all words of length '5' in the given sentence.

Output: a egral ouorg of people riding on a hcnub of motorcycles


Input: Consider Input: Sentence: 'a small boat is up at the dock'. Reverse all words of length '4' in the given sentence.


Output: a small taob is up at the kcod