FUCT_IF_CIRCLE - Geometric circle

circle

Enter the radius of the circle. Calculate the perimeter and area of the circle.

Input

The first line of the input consist of a single integer number t which determines the number of tests.

In each of next t lines will contain the value of radius.

Constraints

  • 0 < t ≤ 1 000

Output

For each test case print out perimeter and area that separated by a space. Separate your answers with a new line character.

Example

Input:
5
5
-2
1
0
4

Output:
31.415927 78.539816
the radius must be greater than 0
6.283185 3.141593
the radius must be greater than 0
25.132741 50.265482

Added by:khanhvh
Date:2018-06-19
Time limit:1s
Source limit:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Languages:All
Resource:FPTU Can Tho

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