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 young brown horse in a blue jacket running in a barn'. Reverse all words of length '4' in the given sentence.

Output: a young brown horse in a eulb jacket running in a nrab


Input: Consider Input: Sentence: 'many pairs of open scissors sit on top of metal poles'. Reverse all words of length '4' in the given sentence.

Output: ynam pairs of nepo scissors sit on top of metal poles


Input: Consider Input: Sentence: 'a ferry boat and a jet flying over head'. Reverse all words of length '6' in the given sentence.


Output: a ferry boat and a jet gniylf over head