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: 'this cat is sitting on a porch near a tire'. Reverse all words of length '7' in the given sentence.

Output: this cat is gnittis on a porch near a tire


Input: Consider Input: Sentence: 'a couple of cows standing on top of a green hillside'. Reverse all words of length '2' in the given sentence.


Output: a couple fo cows standing no top fo a green hillside