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: 'several vehicles at a traffic stop on a small downtown street'. Reverse all words of length '4' in the given sentence.

Output: several vehicles at a traffic pots on a small downtown street


Input: Consider Input: Sentence: 'a football game on a grassy playing field'. Reverse all words of length '2' in the given sentence.

Output: a football game no a grassy playing field


Input: Consider Input: Sentence: 'there is a wooden bed with white and beige sheets on it'. Reverse all words of length '1' in the given sentence.


Output: there is a wooden bed with white and beige sheets on it