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 group of boys surfing in water'. Reverse all words of length '4' in the given sentence.

Ex Output:
a group of syob surfing in water


Ex Input:
Sentence: 'a shirtless man lays on a bed and smiles'. Reverse all words of length '9' in the given sentence.

Ex Output:
a sseltrihs man lays on a bed and smiles


Ex Input:
Sentence: 'a blue colored sign with a white arrow'. Reverse all words of length '1' in the given sentence.

Ex Output:

a blue colored sign with a white arrow