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 crowd of people are walking around some tents in the street'. Reverse all words of length '6' in the given sentence.

Output: a crowd of elpoep are walking dnuora some tents in the teerts


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: 'a man rides a surfboard on a wave'. Reverse all words of length '2' in the given sentence.


Output: a man rides a surfboard no a wave