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