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.

Input: Consider Input: Sentence: 'a man riding a bike down a street past cars'. Reverse all words of length '4' in the given sentence.

Output: a man riding a ekib nwod a street tsap srac


Input: Consider Input: Sentence: 'competitor preparing to return volley during major tennis tournament'. Reverse all words of length '6' in the given sentence.

Output: competitor preparing to nruter yellov gnirud major sinnet tournament


Input: Consider Input: Sentence: 'a train is being inspected as it sits on the tracks'. Reverse all words of length '5' in the given sentence.


Output: a niart is gnieb inspected as it sits on the tracks