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: 'woman holding an umbrella and a small cat'. Reverse all words of length '7' in the given sentence.

Output: woman gnidloh an umbrella and a small cat


Input: Consider Input: Sentence: 'there is a man sitting on a bench listening to music'. Reverse all words of length '5' in the given sentence.


Output: ereht is a man sitting on a hcneb listening to cisum