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.

Ex Input:
Sentence: 'a pair of scissors is hanging with a rubber band'. Reverse all words of length '8' in the given sentence.

Ex Output:
a pair of srossics is hanging with a rubber band


Ex Input:
Sentence: 'a herd of zebra standing in a forest'. Reverse all words of length '1' in the given sentence.

Ex Output:
a herd of zebra standing in a forest


Ex Input:
Sentence: 'a person sitting in the grass with a green umbrella'. Reverse all words of length '8' in the given sentence.

Ex Output:

a person sitting in the grass with a green allerbmu