Write a program that calculates the volume of water needed to fill a rectangular swimming pool.

Input

The program should prompt for:

1. Enter the length:
2. Enter the width:
3. Enter the depth:

All values are entered as decimals (floats).

Output

The volume of the pool is volume

The volume is calculated as: length × width × depth

Example

Input:

10.0
5.0
2.0

Output:

The volume of the pool is 100.0