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: 'a person in bear feet standing on a skateboard'. Reverse all words of length '4' in the given sentence.

Output: a person in raeb teef standing on a skateboard


Input: Consider Input: Sentence: 'a baby elephant in the middle of a field'. Reverse all words of length '3' in the given sentence.

Output: a baby elephant in eht middle of a field


Input: Consider Input: Sentence: 'one elephant is holding the other ones tail'. Reverse all words of length '2' in the given sentence.


Output: one elephant si holding the other ones tail