# 3. Print Two Numbers

## I'm a slow walker, but I never walk backwards.

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

12

## Sample Output

21