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: 'many pairs of open scissors sit on top of metal poles'. Reverse all words of length '4' in the given sentence.

Output: ynam pairs of nepo scissors sit on top of metal poles


Input: Consider Input: Sentence: 'two giraffes are walking through a field of prairie grass'. Reverse all words of length '1' in the given sentence.

Output: two giraffes are walking through a field of prairie grass


Input: Consider Input: Sentence: 'a street sign hanging off the side of a metal pole'. Reverse all words of length '2' in the given sentence.


Output: a street sign hanging off the side fo a metal pole