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 dog that is in a living room near a group of people'. Reverse all words of length '5' in the given sentence.

Ex Output:
a dog that is in a living room near a puorg of people


Ex Input:
Sentence: 'a group of people wearing skis and standing at the top of a ski slope'. Reverse all words of length '7' in the given sentence.

Ex Output:
a group of people gniraew skis and standing at the top of a ski slope


Ex Input:
Sentence: 'two hipster emo chicks standing next to each other'. Reverse all words of length '2' in the given sentence.

Ex Output:

two hipster emo chicks standing next ot each other