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: 'giraffes are standing in the grass near water and trees'. Reverse all words of length '4' in the given sentence.

Output: giraffes are standing in the grass raen water and trees


Input: Consider Input: Sentence: 'a girl with a cast on her arm stands in a bathroom'. Reverse all words of length '3' in the given sentence.

Output: a girl with a cast on reh mra stands in a bathroom


Input: Consider Input: Sentence: 'a bird is looking for food in the desert'. Reverse all words of length '2' in the given sentence.


Output: a bird si looking for food ni the desert