## COCI '06 Contest 1 #2 Herman

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Points: 5
Time limit: 1.0s
Memory limit: 32M

Problem types

The 19th century German mathematician Hermann Minkowski investigated a non-Euclidean geometry, called the taxicab geometry. In taxicab geometry the distance between two points and is defined as:

All other definitions are the same as in Euclidean geometry, including that of a circle:

A circle is the set of all points in a plane at a fixed distance (the radius) from a fixed point (the centre of the circle).

We are interested in the difference of the areas of two circles with radius , one of which is in normal (Euclidean) geometry, and the other in taxicab geometry. The burden of solving this difficult problem has fallen onto you.

#### Input Specification

The first and only line of input will contain the radius , an integer smaller than or equal to .

#### Output Specification

On the first line you should output the area of a circle with radius in normal (Euclidean) geometry.

On the second line you should output the area of a circle with radius in taxicab geometry.

Note: Outputs within of the official solution will be accepted.

#### Sample Input 1

1

#### Sample Output 1

3.141593
2.000000

#### Sample Input 2

21

#### Sample Output 2

1385.442360
882.000000

#### Sample Input 3

42

#### Sample Output 3

5541.769441
3528.000000