Task Description
Write a program to read two integers $a$ and $b$, print $b$ first in a line, then print $a$ in another line.
Input Format
There are two lines in the input. The first line has the integer $a$, and the second line has the integer $b$.
Output Format
There are two lines in the output. The first line has the integer $b$, and the second line has the integer $a$.
Sample Input
1
2
Sample Output
2
1