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: 'the three trains are stopped on the railroad tracks'. Reverse all words of length '6' in the given sentence.

Output: the three sniart are stopped on the railroad skcart


Input: Consider Input: Sentence: 'a black cat sitting on top of a laptop on a table'. Reverse all words of length '5' in the given sentence.

Output: a kcalb cat sitting on top of a laptop on a elbat


Input: Consider Input: Sentence: 'a vase sitting in a window sill with flowers'. Reverse all words of length '7' in the given sentence.


Output: a vase gnittis in a window sill with srewolf