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: 'people flying kites at the beach on an overcast day'. Reverse all words of length '6' in the given sentence.

Output: elpoep gniylf kites at the beach on an overcast day


Input: Consider Input: Sentence: 'two young boys standing on grass near a fence'. Reverse all words of length '8' in the given sentence.

Output: two young boys gnidnats on grass near a fence


Input: Consider Input: Sentence: 'a group of desserts are sitting on a table'. Reverse all words of length '7' in the given sentence.


Output: a group of desserts are gnittis on a table