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 red pair of scissors on top of an envelope'. Reverse all words of length '2' in the given sentence.

Output: a red pair fo scissors no top fo na envelope


Input: Consider Input: Sentence: 'an elderly man in a jacket is walking outside of a window'. Reverse all words of length '3' in the given sentence.

Output: an elderly nam in a jacket is walking outside of a window


Input: Consider Input: Sentence: 'a plate of food with broccoli radishes rice and chips'. Reverse all words of length '3' in the given sentence.


Output: a plate of food with broccoli radishes rice dna chips