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 couple of men on a court holding tennis rackets'. Reverse all words of length '2' in the given sentence.

Output: a couple fo men no a court holding tennis rackets


Input: Consider Input: Sentence: 'a surfer on wave in open water wearing a wet suit'. Reverse all words of length '7' in the given sentence.

Output: a surfer on wave in open water gniraew a wet suit


Input: Consider Input: Sentence: 'two goats on grass crossing a small country road'. Reverse all words of length '3' in the given sentence.


Output: owt goats on grass crossing a small country road