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 very small shiny metal cup with some food in it'. Reverse all words of length '4' in the given sentence.

Output: a yrev small shiny metal cup htiw emos doof in it


Input: Consider Input: Sentence: 'a dog that is in a living room near a group of people'. Reverse all words of length '5' in the given sentence.

Output: a dog that is in a living room near a puorg of people


Input: Consider Input: Sentence: 'three young people stand on a train platform holding luggage'. Reverse all words of length '2' in the given sentence.


Output: three young people stand no a train platform holding luggage