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 train billowing smoke as it crosses a river by bridge'. Reverse all words of length '1' in the given sentence.

Ex Output:
a train billowing smoke as it crosses a river by bridge


Ex Input:
Sentence: 'an orange longhorn bull stands among the herd'. Reverse all words of length '2' in the given sentence.

Ex Output:
na orange longhorn bull stands among the herd


Ex Input:
Sentence: 'a large clock on the side of a building'. Reverse all words of length '3' in the given sentence.

Ex Output:

a large clock on eht side of a building