Parallelepiped

You are given the dimensions of a parallelepiped, find its volume.

Input

The first line contains one integer $n$ ($1\le n\le 10$) — the height of the parallelepiped.

The second line contains one integer $m$ ($1\le m\le 10$) — the width of the parallelepiped.

The third line contains one integer $k$ ($1\le k\le 10$) — the length of the parallelepiped.

Output

Output one integer — the volume of the parallelepiped.

Examples