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 person in bear feet standing on a skateboard'. Reverse all words of length '4' in the given sentence.

Output: a person in raeb teef standing on a skateboard


Input: Consider Input: Sentence: 'two small children and childrens books on a blue carpeted floor'. Reverse all words of length '1' in the given sentence.

Output: two small children and childrens books on a blue carpeted floor


Input: Consider Input: Sentence: 'a white plate topped with a cut in half sandwich and fries'. Reverse all words of length '5' in the given sentence.


Output: a etihw etalp topped with a cut in half sandwich and seirf