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 elephant is standing in the road by the truck'. Reverse all words of length '5' in the given sentence.

Output: an elephant is standing in the road by the kcurt


Input: Consider Input: Sentence: 'looking down at skiers holding their skis on the ski slope'. Reverse all words of length '7' in the given sentence.

Output: gnikool down at skiers gnidloh their skis on the ski slope


Input: Consider Input: Sentence: 'the water bottle is sitting on the clean countertop'. Reverse all words of length '10' in the given sentence.


Output: the water bottle is sitting on the clean potretnuoc