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 male in a white shirt is surfing in some dirt'. Reverse all words of length '2' in the given sentence.

Ex Output:
a male ni a white shirt si surfing ni some dirt


Ex Input:
Sentence: 'many pairs of open scissors sit on top of metal poles'. Reverse all words of length '4' in the given sentence.

Ex Output:
ynam pairs of nepo scissors sit on top of metal poles


Ex Input:
Sentence: 'a person in black shirt walking on sidewalk with an umbrella'. Reverse all words of length '1' in the given sentence.

Ex Output:

a person in black shirt walking on sidewalk with an umbrella