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 young man is sitting on the side of a bus eating a hot dog'. Reverse all words of length '3' in the given sentence.

Output: a young nam is sitting on eht side of a sub eating a toh god


Input: Consider Input: Sentence: 'a male cow walking down a street with shanties'. Reverse all words of length '7' in the given sentence.

Output: a male cow gniklaw down a street with shanties


Input: Consider Input: Sentence: 'a woman hides most of her face behind an umbrella'. Reverse all words of length '2' in the given sentence.


Output: a woman hides most fo her face behind na umbrella