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 group of people sitting on a wooden bench'. Reverse all words of length '1' in the given sentence.

Output: a group of people sitting on a wooden bench


Input: Consider Input: Sentence: 'a group of people wearing skis and standing at the top of a ski slope'. Reverse all words of length '7' in the given sentence.

Output: a group of people gniraew skis and standing at the top of a ski slope


Input: Consider Input: Sentence: 'a man is in a tv frame and making a funny face'. Reverse all words of length '4' in the given sentence.


Output: a man is in a tv frame and making a funny ecaf