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.

Ex Input:
Sentence: 'a man walking in the shore with a surfboard under his arm'. Reverse all words of length '3' in the given sentence.

Ex Output:
a nam walking in eht shore with a surfboard under sih mra


Ex Input:
Sentence: 'a pair of bikers riding past a kite store'. Reverse all words of length '6' in the given sentence.

Ex Output:
a pair of srekib gnidir past a kite store


Ex Input:
Sentence: 'a surfer posing for a photo with a surfboard'. Reverse all words of length '4' in the given sentence.

Ex Output:

a surfer posing for a photo htiw a surfboard