Computing a Power

Problem Description

Given an integer $a$ and a positive integer $n$, compute the power $a^n$.

Input Format

One line containing two integers $a$ and $n$, $-1000000\le a \le 1000000，1\le n \le 10000$.

Output Format

One integer: the result of the power. The problem guarantees that the absolute value of the final result does not exceed $1000000$.

Sample Input

2 3

Sample Output

8