## A Math Contest P4 - Circle Cutting

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Points: 7
Time limit: 2.0s
Memory limit: 256M

Author:
Problem type

Consider the unit circle, the circle with radius centred at . You will place horizontal lines such that the circle is cut into regions with equal areas.

Find the equations of all of the lines.

#### Input Specification

The only line contains an integer, .

#### Output Specification

Output lines. The th line should contain a floating-point number such that the th horizontal line has the equation . These numbers should be output in increasing order.

Your answer will be accepted if each value is within an absolute error of .

#### Sample Input

3

#### Sample Output

-0.264932084
0.264932084