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: 'a man riding a bike down a street past cars'. Reverse all words of length '4' in the given sentence.

Output: a man riding a ekib nwod a street tsap srac


Input: Consider Input: Sentence: 'several elephants in a pen with play things'. Reverse all words of length '1' in the given sentence.


Output: several elephants in a pen with play things