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 woman taking her surf board into the ocean'. Reverse all words of length '3' in the given sentence.

Ex Output:
a woman taking reh surf board into eht ocean


Ex Input:
Sentence: 'a group of people eating a cake on a table'. Reverse all words of length '6' in the given sentence.

Ex Output:
a group of elpoep gnitae a cake on a table


Ex Input:
Sentence: 'a torn black book laying on a table'. Reverse all words of length '1' in the given sentence.

Ex Output:

a torn black book laying on a table