Problems

# Area and volume of the pyramid

# Area and volume of the pyramid

Party established the right square pyramid **d**, lateral rib **p**.Determine total surface area and volume of the pyramid.

**Input**

In a single line through the space base and side edge. The input data does not exceed **100**.

**Output**

Through the gap the required area and volume, the result output to three decimal places.

Input example #1

20 15

Output example #1

847.214 666.667