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 openair tour bus driving in a city'. Reverse all words of length '7' in the given sentence.

Output: an rianepo tour bus gnivird in a city


Input: Consider Input: Sentence: 'chair and apartment size refrigerator in a small room'. Reverse all words of length '12' in the given sentence.

Output: chair and apartment size rotaregirfer in a small room


Input: Consider Input: Sentence: 'a young child is skiing in the snow'. Reverse all words of length '5' in the given sentence.


Output: a gnuoy dlihc is skiing in the snow