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: 'chair and apartment size refrigerator in a small room'. Reverse all words of length '12' in the given sentence.

Ex Output:
chair and apartment size rotaregirfer in a small room


Ex Input:
Sentence: 'a man assisting a person on a horse on a race track'. Reverse all words of length '3' in the given sentence.

Ex Output:
a nam assisting a person on a horse on a race track


Ex Input:
Sentence: 'an old yellow school bus parked on the side of the road'. Reverse all words of length '4' in the given sentence.

Ex Output:

an old yellow school bus parked on the edis of the daor