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 pair of melted scissors on top of a reflective surface'. Reverse all words of length '7' in the given sentence.

Output: a pair of melted scissors on top of a reflective ecafrus


Input: Consider Input: Sentence: 'an orange on a counter next to a bottle of alcohol'. Reverse all words of length '7' in the given sentence.

Output: an orange on a retnuoc next to a bottle of lohocla


Input: Consider Input: Sentence: 'a red train car sits at a station under foot bridges'. Reverse all words of length '3' in the given sentence.


Output: a der train rac sits at a station under foot bridges