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 crowd of people skiing and enjoying the snow'. Reverse all words of length '4' in the given sentence.

Output: a crowd of people skiing and enjoying the wons


Input: Consider Input: Sentence: 'a herd of horses is exercised in the yard led by a man on horseback'. Reverse all words of length '6' in the given sentence.

Output: a herd of sesroh is exercised in the yard led by a man on horseback


Input: Consider Input: Sentence: 'a commuter train going across a bridge next to a road'. Reverse all words of length '8' in the given sentence.


Output: a retummoc train going across a bridge next to a road