-10. Power

Task Description

Write a program to compute the $i$-th power of $n$, where $n$ is an integer, and $i$ is a positive integer from $1$ to $5$ inclusively.

Input Format

There are two lines in the input. The first line has the integer $n$. The second line has the integer $i$.

Output Format

There are one line in the output. The line has the $i$-th power of $n$.

Sample Input

-2
2

Sample Output

4

Sample Input

-4
1

Sample Output

-4