題目來源:judgegirl from ntu prof. pangfeng Liu
Task Description
Write a program to read two integers and , print first in a line, then print in another line.
Input Format
There are two lines in the input. The first line has the integer , and the second line has the integer .
Output Format
There are two lines in the output. The first line has the integer , and the second line has the integer .
Sample Input
1
2
Sample Output
2
1