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: 'one person watches while the other flies a kite'. Reverse all words of length '7' in the given sentence.

Ex Output:
one person sehctaw while the other flies a kite


Ex Input:
Sentence: 'a bathroom with a white bath tub under a mirror'. Reverse all words of length '5' in the given sentence.

Ex Output:
a bathroom with a etihw bath tub rednu a mirror


Ex Input:
Sentence: 'a big black dog laying on a big round white thing'. Reverse all words of length '2' in the given sentence.

Ex Output:

a big black dog laying no a big round white thing