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: 'several people flying kites on a sandy beach'. Reverse all words of length '7' in the given sentence.

Output: lareves people flying kites on a sandy beach


Input: Consider Input: Sentence: 'a passenger train moves along tracks near a field and trees'. Reverse all words of length '1' in the given sentence.

Output: a passenger train moves along tracks near a field and trees


Input: Consider Input: Sentence: 'the public restroom is clean and ready to use'. Reverse all words of length '3' in the given sentence.


Output: eht public restroom is clean dna ready to esu