Circle - MarisaOJ: Marisa Online Judge

Calculate the circumference and area of a circle with radius

r

$r$ , using

π = 3.14

$\pi=3.14$ . ### Input - One line containing a real number

r

$r$ . ### Output - Print the circumference and area of the circle. Round the results to three decimal places. ### Constraints -

1 \leq r \leq 1000

$1 \le r \le 1000$ . ### Sample Input:

1.5

$1.5$

Output:

9.420 7.065

$9.420 7.065$

Topic

Basic

Rating

800

Solution (1)

Solution