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: '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 tall clock tower with a sky background'. Reverse all words of length '10' in the given sentence.

Output: a tall clock tower with a sky dnuorgkcab


Input: Consider Input: Sentence: 'a cake is decorated with many decorations'. Reverse all words of length '2' in the given sentence.


Output: a cake si decorated with many decorations