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 street next to two road blocks and a blurry object'. Reverse all words of length '3' in the given sentence.

Output: a street next to owt road blocks dna a blurry object


Input: Consider Input: Sentence: 'group of antelopes and deer standing outside in a savannah'. Reverse all words of length '9' in the given sentence.

Output: group of sepoletna and deer standing outside in a savannah


Input: Consider Input: Sentence: 'shelves displaying books and knick knacks with a dresser and coffee pot on top'. Reverse all words of length '4' in the given sentence.


Output: shelves displaying books and knick knacks htiw a dresser and coffee pot on top