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 person in skis is standing in the snow'. Reverse all words of length '2' in the given sentence.

Ex Output:
a person ni skis si standing ni the snow


Ex Input:
Sentence: 'an openair tour bus driving in a city'. Reverse all words of length '7' in the given sentence.

Ex Output:
an rianepo tour bus gnivird in a city


Ex Input:
Sentence: 'a woman and young boy standing in front of a tv'. Reverse all words of length '1' in the given sentence.

Ex Output:

a woman and young boy standing in front of a tv