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 group of people loading a tour bus'. Reverse all words of length '3' in the given sentence.

Output: a group of people loading a tour sub


Input: Consider Input: Sentence: 'a group of people wearing skis and standing at the top of a ski slope'. Reverse all words of length '7' in the given sentence.

Output: a group of people gniraew skis and standing at the top of a ski slope


Input: Consider Input: Sentence: 'pickup truck loaded with off road vehicles on driveway at residence'. Reverse all words of length '9' in the given sentence.


Output: pickup truck loaded with off road vehicles on driveway at ecnediser