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 large eared dog sitting on an office chair'. Reverse all words of length '3' in the given sentence.

Output: a large eared god sitting on an office chair


Input: Consider Input: Sentence: 'this railway is lit up very well this evening'. Reverse all words of length '2' in the given sentence.

Output: this railway si lit pu very well this evening


Input: Consider Input: Sentence: 'a couple of men laying on top of a couch cuddling'. Reverse all words of length '2' in the given sentence.


Output: a couple fo men laying no top fo a couch cuddling