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 man on skis is under an empty ski lift'. Reverse all words of length '1' in the given sentence.

Output: a man on skis is under an empty ski lift


Input: Consider Input: Sentence: 'a man watches two giraffes eating from a box'. Reverse all words of length '4' in the given sentence.

Output: a man watches two giraffes eating morf a box


Input: Consider Input: Sentence: 'a row of motor scooters lined against a wall'. Reverse all words of length '2' in the given sentence.


Output: a row fo motor scooters lined against a wall