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 snowy hill with a tree lined area'. Reverse all words of length '4' in the given sentence.

Output: a snowy llih htiw a eert lined aera


Input: Consider Input: Sentence: 'a street filled with traffic and a very long bus'. Reverse all words of length '4' in the given sentence.

Output: a street filled htiw traffic and a yrev gnol bus


Input: Consider Input: Sentence: 'a person airborne with skis going down a ski slope'. Reverse all words of length '3' in the given sentence.


Output: a person airborne with skis going down a iks slope