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 red pair of scissors on top of an envelope'. Reverse all words of length '2' in the given sentence.

Ex Output:
a red pair fo scissors no top fo na envelope


Ex Input:
Sentence: 'the logo of a company writting on some clocks and a cup'. Reverse all words of length '4' in the given sentence.

Ex Output:
the ogol of a company writting on emos clocks and a cup


Ex Input:
Sentence: 'a dumpy little refrigerator built into a wall'. Reverse all words of length '5' in the given sentence.

Ex Output:

a ypmud little refrigerator tliub into a wall