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: 'an oldfashioned safe and roll top desk in a green room'. Reverse all words of length '3' in the given sentence.

Ex Output:
an oldfashioned safe dna roll pot desk in a green room


Ex Input:
Sentence: 'kite flying washington dc with smithsonian and washington monument in background'. Reverse all words of length '11' in the given sentence.

Ex Output:
kite flying washington dc with nainoshtims and washington monument in background


Ex Input:
Sentence: 'the meter is ready for someone to pay to park'. Reverse all words of length '2' in the given sentence.

Ex Output:

the meter si ready for someone ot pay ot park