Background:

$FWX$ came up with a very water, very water problem.

Problem Description:

$FWX$ is doing homework, suddenly did the problem of $a$ * $b$, hoping to write a directly code for the answer, drop the homework seconds to play games, but after two and a half years of practice, $FWX$ can't write the code.I hope you can help $FWX$.

Input Format:

Two lines, each with a number, representing a, b.(There is no guarantee that a, b is an integer, or you can be fraction. For example, 2 / 3,0.6)

Output Format:

One row, representing the value of a * b.

Input / output sample:

Enter # 1:

3
5

Output #1:

15

Range of Data:

$-10^{30}<a ， b \leq 10^{30}$