829. Cheem's Power

0

Medium

Cheems and Doge are two friends who are trying to solve a mathematical problem. They need to calculate the value of X raised to the power of N, denoted as pow(X,N). Since they have other problems to solve, they require your assistance in finding the solution for pow(X,N).

Input Format

The input consists of two numbers, X and N, separated by a space. X can be a decimal number and N must be an integer.

Output Format

Print the value of X raised to the power of N. Note that the answer should be a double value.

Example

Input

2 4

Output

16

Constraints

-100.00 <= X <= 100.00

-2^31 <= N <= 2^31 - 1

N is an integer value

-2^31 <= N <= 2^31 - 1

N is an integer value

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