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: 'an alarm clock sitting with other objects in a window sill'. Reverse all words of length '5' in the given sentence.

Output: an mrala kcolc sitting with rehto objects in a window sill


Input: Consider Input: Sentence: 'a person on a surfboard riding a wave in the water'. Reverse all words of length '5' in the given sentence.

Output: a person on a surfboard riding a wave in the retaw


Input: Consider Input: Sentence: 'a group of cows in a fenced in field'. Reverse all words of length '4' in the given sentence.


Output: a group of swoc in a fenced in field