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: 'the two clocks are beneath two monitors and in front of a keyboard'. Reverse all words of length '2' in the given sentence.

Output: the two clocks are beneath two monitors and ni front fo a keyboard


Input: Consider Input: Sentence: 'the woman is crossing the street holding an umbrella'. Reverse all words of length '8' in the given sentence.

Output: the woman is gnissorc the street holding an allerbmu


Input: Consider Input: Sentence: 'a purple bird is perched on a tree branch'. Reverse all words of length '4' in the given sentence.


Output: a purple drib is perched on a eert branch