Problems
Permutation of the words
Permutation of the words
Change the line name and surname of the person.
Input data
The input file contains one line, which recorded the name and the name of the person (shared by exactly one space).
Output data
The output file output the same information, but the first name then last name, also separated by exactly one space.
Examples
Input example #1
Pupkin Vasily
Output example #1
Vasily Pupkin