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 dog standing on top of a dirt field next to a frisbee'. Reverse all words of length '4' in the given sentence.

Output: a dog standing on top of a trid field txen to a frisbee


Input: Consider Input: Sentence: 'a kitchen has a microwave an oven and a countertop'. Reverse all words of length '2' in the given sentence.

Output: a kitchen has a microwave na oven and a countertop


Input: Consider Input: Sentence: 'two elephants and one of them are playing in the water'. Reverse all words of length '2' in the given sentence.


Output: two elephants and one fo them are playing ni the water