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 herd of zebra standing in a forest'. Reverse all words of length '1' in the given sentence.

Output: a herd of zebra standing in a forest


Input: Consider Input: Sentence: 'a bird looks around as it sits on a wire'. Reverse all words of length '4' in the given sentence.

Output: a drib looks around as it stis on a eriw


Input: Consider Input: Sentence: 'a hand reaching out towards a standing giraffe'. Reverse all words of length '7' in the given sentence.


Output: a hand reaching out sdrawot a standing effarig