# Circle

Execution time limit is 1 second

Runtime memory usage limit is 128 megabytes

The radius of a circle r is given. Find the circumference and the area of a circle.

## Input

The double radius of a circle r (r > 0).

## Output

Print in one line the circumference and the area of a circle with 4 decimal digits.

## Examples

Input #1

Answer #1

Submissions 5K

Acceptance rate 48%