Write a program which calculates the area and circumference of a circle for given radius r.

Constraints

* 0 < r < 10000

Input

A real number r is given.

Output

Print the area and circumference of the circle in a line. Put a single space between them. The output should not contain an absolute error greater than 10-5.

Examples

Input

2


Output

12.566371 12.566371


Input

3


Output

28.274334 18.849556

Source: aizu | Difficulty: UNKNOWN_DIFFICULTY


Solutions:
pi = 3.141592653589
r = float(input())
print(f'{r * r * pi:7f} {2 * r * pi}')


pi = 3.14159265359
r = float(input())
s = r * r * pi
l = 2 * r * pi
print(s, l)


import math
r = float(input())
a = math.pi * r * r
b = 2 * math.pi * r
print(a, b)


import math
a = float(input())
print(f'{a * a * math.pi:.6f} {a * 2 * math.pi:.6f}')


import math
r = float(input())
m = r * r * math.pi
s = 2 * r * math.pi
print(m, s)


r = float(input())
print(3.141592653589 * r ** 2, 2 * 3.141592653589 * r)


from math import pi
a = float(input())
b = a * pi
print(a * b, 2 * b)


import math
r = float(input())
print('%.5f %.5f' % (r ** 2 * math.pi, r * 2 * math.pi))


import math
r = float(input())
print('%-5f %-5f' % (math.pi * r * r, 2 * math.pi * r))


r = float(input())
print(f'{r * r * 3.14159265358979} {2 * r * 3.14159265358979}')


from math import pi
a = float(input())
b = pi * a
print(b * a, b * 2)


import math
r = float(input())
p = math.pi
print(f'{p * r * r} {2 * p * r}')


from math import pi
r = float(input())
print(pi * r * r, 2 * pi * r)


from math import pi
r = float(input())
print(pi * r ** 2, pi * r * 2)


PI = 3.141592653589
r = float(input())
a = r * r * PI
l = 2 * r * PI
print(a, l)


import math
r = float(input())
s = math.pi
print('%.6f' % (r * r * s), '%.6f' % (2 * r * s))


import math
r = float(input())
L = 2 * math.pi * r
S = math.pi * r * r
print(S, L)


import math
n = float(input())
print(math.pi * n ** 2, 2 * math.pi * n)


import math
r = float(input())
print(math.pi * r ** 2, 2 * r * math.pi)


r = float(input())
import math
print(r * r * math.pi, r * 2 * math.pi)


import math
r = float(input())
a = 2 * math.pi * r
b = math.pi * r * r
print(b, a)


import math
r = float(input())
print('%.6f %.6f' % (r * r * math.pi, 2 * math.pi * r))


import math
r = float(input())
print(r * r * math.pi, 2 * r * math.pi)


import math
r = float(input())
print(math.pi * r ** 2, 2 * math.pi * r)


pi = 3.141592653589793
r = float(input())
print(r * r * pi, 2 * pi * r)


import math
r = float(input())
print(r * r * math.pi, 2 * r * math.pi)


import math
r = float(input())
print(math.pi * r * r, 2 * math.pi * r)


from math import pi
a = float(input())
print(pi * a * a, 2 * pi * a)


import math
r = float(input())
print(r ** 2 * math.pi, 2 * math.pi * r)


r = float(input())
a = r * r * 3.141592653589
b = 2 * r * 3.141592653589
print(a, b)


r = float(input())
p = 3.14159265358979
print('%.5f %.5f' % (r * r * p, 2 * r * p))


import math
x = float(input())
print(x ** 2 * math.pi, x * 2 * math.pi)


from math import pi
r = float(input())
d = pi * r * r
l = 2 * pi * r
print(d, l)


import math
r = float(input())
print('%f %f' % (math.pi * r * r, 2 * math.pi * r))


import math
r = float(input())
print('%f %f' % (r * r * math.pi, 2 * r * math.pi))


r = float(input())
print(r * r * 3.141592653589, r * 2 * 3.141592653589)


import math
r = float(input())
print('%f %f' % (r ** 2 * math.pi, 2 * r * math.pi))


a = float(input())
print(a * a * 3.141592653589, a * 2 * 3.141592653589)


import math
r = float(input())
h = 2 * r * math.pi
s = r * r * math.pi
print(s, h)


import math
r = float(input())
print('%.5f %.5f' % (r * r * math.pi, 2.0 * math.pi * r))


r = float(input())
pi = 3.141592653589
s = r ** 2 * pi
c = 2 * pi * r
print(s, c)


from math import pi
r = float(input())
print(r ** 2 * pi, 2 * (r * pi))


r = float(input())
pi = 3.141592653589
print('%.6f %.6f' % (r * r * pi, r * 2 * pi))


import math
r = float(input())
print(r ** 2 * math.pi, r * 2 * math.pi)


import math
r = float(input())
print('{} {}'.format(math.pi * r * r, 2 * math.pi * r))


r = float(input())
pi = 3.141592653589
print(f'{pi * r * r:.6f} {2 * pi * r:.6f}')


import math
a = float(input())
b = a * math.pi
print(a * b, 2 * b)


r = float(input())
import math
p = math.pi
print(p * r * r, 2 * p * r)


import math
r = float(input())
s = r ** 2 * math.pi
l = r * 2 * math.pi
print(s, l)


r = float(input())
p = 3.141592653589
print(r * r * p, r * 2 * p)


r = float(input())
pi = 3.141592653589
print(r * r * pi, 2 * r * pi)


from math import pi
r = float(input())
print(r ** 2 * pi, r * 2 * pi)


import math
r = float(input())
print(r ** 2 * math.pi, r * math.tau)


import math
r = float(input())
print(math.pi * r * r, math.pi * 2 * r)


r = float(input())
import math
s = math.pi * r ** 2
l = 2 * math.pi * r
print(s, l)


import math
r = float(input())
print(math.pi * r * r, math.pi * r * 2)


pi = 3.141592653589793
a = float(input())
print(a ** 2 * pi, 2 * a * pi)


r = float(input())
pi = 3.14159265359
print(pi * r * r, 2 * pi * r)


r = float(input())
p = 3.141592653589
print(f'{r * r * p} {r * 2 * p}')


a = float(input())
b = a * 3.141592653589
print(a * b, 2 * b)


pai = 3.141592653589
r = float(input())
print(r * r * pai, 2 * r * pai)


import math
x = float(input())
print('{} {}'.format(x * x * math.pi, 2 * x * math.pi))


r = float(input())
l = 3.141592653589
print(r * r * l, 2 * r * l)


import math
a = float(input())
print(math.pi * a ** 2, math.pi * a * 2)


a = float(input())
p = 3.141592653589793
print('%.6f %.6f' % (a ** 2 * p, a * 2 * p))


r = float(input())
pi = 3.141592653589793
print(pi * r ** 2, 2 * pi * r)


i = float(input())
pi = 3.141592653589
print(f'{i * i * pi:.6f} {2 * i * pi:.6f}')


import math
r = float(input())
print(r ** 2 * math.pi, 2.0 * math.pi * r)


import math
r = float(input())
print(f'{r ** 2 * math.pi:.6f} {2 * math.pi * r:.6f}')


import math
r = float(input())
S = math.pi * r * r
d = 2 * math.pi * r
print(S, d)


import math
r = float(input())
print(math.pi * r ** 2, 2 * r * math.pi)


r = float(input())
p = 3.141592653589793
print(r ** 2 * p, r * 2 * p)


import math
x = float(input())
print('%.6f %.6f' % (x * x * math.pi, x * 2 * math.pi))


r = float(input())
s = r * 3.14159265359
print(s * r, 2 * s)


r = float(input())
print(f'{r * r * 3.141592653589} {2 * r * 3.141592653589}')


from math import pi
r = float(input())
print('{} {}'.format(pi * r * r, pi * r * 2))


from math import pi
a = float(input())
print(a * a * pi, 2 * a * pi)


r = float(input())
pi = 3.141592653589
S = r * r * pi
R = 2 * r * pi
print(S, R)


import math
r = float(input())
print(r ** 2 * math.pi, 2 * r * math.pi)


import math
r = float(input())
pi = math.pi
print(pi * r ** 2, 2 * pi * r)


r = float(input())
pi = 3.14159265359
print(pi * r * r, end=' ')
print(2 * pi * r)


r = float(input())
p = 3.141592653589
print(p * r * r, 2 * p * r)


p = 3.141592653589
r = float(input())
print(r * r * p, '{:.8f}'.format(2 * r * p))


import math
pi = math.pi
r = float(input())
print('%f %f' % (r * pi * r, 2 * r * pi))


r = float(input())
pi = 3.141592653589793
print(r * r * pi, 2 * r * pi)


pi = 3.14159265359
r = float(input())
print(f'{r * r * pi:.6f} {2 * r * pi:.6f}')


p = 3.1415926535897
r = float(input())
print(p * r ** 2, 2 * p * r)


a = float(input())
import math
m = math.pi * a * a
l = math.pi * a * 2
print(m, l)


r = float(input())
s = r * r * 3.141592653589
c = 2 * r * 3.141592653589
print(s, c)


pi = 3.141592653589793
r = float(input())
print(r * r * pi, 2 * pi * r)


r = float(input())
p = 3.141592653589
print(f'{p * r * r} {2 * p * r}')


from math import pi
n = float(input())
print(n * n * pi, n * 2 * pi)


from math import pi
r = float(input())
print('{} {}'.format(r * r * pi, 2 * r * pi))


r = float(input())
pi = 3.14159265358979
print(pi * r ** 2, 2 * pi * r)


pi = 3.141592653589
r = float(input())
print(r ** 2 * pi, r * 2 * pi)


r = float(input())
p = 3.141592653589
print(p * r * r, 2 * r * p)


a = float(input())
import math
p = math.pi
print(a ** 2 * p, 2 * a * p)


import math
r = float(input())
l = 2 * r * math.pi
s = r * r * math.pi
print(s, l)


r = float(input())
pi = 3.141592653589
print(pi * r * r, 2 * pi * r)


r = float(input())
pi = 3.141592653589793
print(pi * r * r, 2 * pi * r)


import math
line = float(input())
print(math.pi * line ** 2, math.pi * (line * 2))


import math
a = float(input())
print(a * a * math.pi, 2 * a * math.pi)


import math
r = float(input())
print('%.6f %.6f' % (r * r * math.pi, 2 * r * math.pi))


from math import pi
r = float(input())
print(r * r * pi, 2 * r * pi)


import math
r = float(input())
print('{} {}'.format(r * r * math.pi, r * 2 * math.pi))


r = float(input())
p = 3.141592653589
print(f'{r * r * p:9.6f} {2 * p * r:9.6f}')


r = float(input())
pi = 3.141592653589
print(f'{r * r * pi:5f} {r * 2 * pi:5f}')


import math
r = float(input())
print(r ** 2 * math.pi, r * 2 * math.pi)


r = float(input())
pi = 3.1415926535897
print(pi * r * r, 2 * pi * r)


r = float(input())
print(r ** 2 * 3.141592653589, r * 2 * 3.141592653589)


pi = 3.14159265358979
r = float(input())
print(pi * r ** 2, 2 * pi * r)


import math
r = float(input())
print(r * r * math.pi, 2 * math.pi * r)


import math
r = float(input())
print(math.pi * r ** 2, math.pi * 2 * r)


import math
r = float(input())
print(math.pi * r ** 2, math.pi * r * 2)


import math
a = float(input())
print('%f %f' % (a * a * math.pi, 2 * a * math.pi))


import math
r = float(input())
print(math.pi * r ** 2, 2 * math.pi * r)


import math
a = float(input())
print(a ** 2 * 3.141592653589, 2 * a * 3.141592653589)


import math
r = float(input())
print('%f %f' % (r * r * math.pi, 2 * r * math.pi))


import math
r = input()
print(math.pi * float(r) ** 2, 2 * math.pi * float(r))


import math
pi = math.pi
r = float(input())
print(r * r * pi, 2 * r * pi)


r = float(input())
pi = float(3.141592653589)
print(pi * r * r, 2 * pi * r)


r = float(input())
C = 3.14159265359
print(r ** 2 * C, r * 2 * C)


PI = 3.14159265358979
r = float(input())
print(PI * r * r, PI * 2 * r)


import math
r = float(input())
S = r * r * math.pi
R = 2 * r * math.pi
print(S, R)


pi = 3.14159265359
r = float(input())
print(pi * r * r, 2 * pi * r)


r = float(input())
pi = 3.14159265359
print('%.6f %.6f' % (pi * r * r, 2 * pi * r))


r = eval(input())
pi = 3.141592653589793
print(pi * r * r, 2 * pi * r)


r = float(input())
p = 3.141592653589
print(f'{r * r * p:.6f} {(r + r) * p:.6f}')


import math
a = float(input())
print(a ** 2 * math.pi, 2 * a * math.pi)


from math import pi
a = float(input())
b = a * pi
print(b * a, b * 2)


r = float(input())
import math
a = math.pi
b = r * r * a
c = 2 * r * a
print(b, c)


import math
a = float(input())
print(math.pi * a * a, math.pi * 2 * a)


from math import pi as p
r = float(input())
print(r ** 2 * p, r * p * 2)


import math
PI = math.pi
r = float(input())
print(r * r * PI, r * 2 * PI)


pi = 3.141592653589
r = float(input())
print(pi * r ** 2, 2 * pi * r)


pi = 3.141592653589793
r = float(input())
print(r * r * pi, 2 * r * pi)


from math import pi
r = float(input())
print(pi * r ** 2, 2 * r * pi)


from math import pi
r = float(input())
a = pi * r
print(a * r, a * 2)


from math import pi
r = float(input())
a = pi * r * r
b = 2 * pi * r
print(a, b)


r = float(input())
pi = 3.141592653589
print(r * r * pi, 2 * pi * r)


a = float(input())
pi = 3.141592653589
print(a * a * pi, a * 2 * pi)


r = float(input())
x = 3.141592653589
print(r * r * x, r * 2 * x)


pi = 3.1415926535897
r = float(input())
print(pi * r ** 2, 2 * pi * r)


import math
r = float(input())
print(f'{math.pi * r * r:5f} {2 * math.pi * r:5f} ')


import math
r = float(input())
print(math.pi * r ** 2, math.pi * 2 * r)


a = float(input())
b = a * 3.14159265358979
print(a * b, 2 * b)


from math import pi
r = float(input())
print(r ** 2 * pi, 2 * r * pi)


r = float(input())
x = 3.141592653589
A = r ** 2 * x
B = 2 * r * x
print(A, B)


from math import pi
r = float(input())
a = pi * r ** 2
b = 2 * pi * r
print(a, b)


from math import pi
r = float(input())
print(float(r * r * pi), float(2 * r * pi))


pi = 3.141592653589
r = float(input())
print(r * r * pi, 2 * pi * r)


r = float(input())
p = 3.141592653589793
print(p * r ** 2, 2 * p * r)


r = float(input())
p = 3.141592653589
print('%.6f %.6f' % (r * r * p, 2 * r * p))


from math import pi
r = float(input())
print(f'{r * r * pi:.08f} {r * 2 * pi:.08f}')


import math
(r, p) = (float(input()), math.pi)
print(r ** 2 * p, 2 * p * r)


from math import pi
k = float(input())
print(pi * k ** 2, pi * k * 2)


import math
r = float(input())
print(math.pi * r * r)
print(2 * math.pi * r)


import math
r = float(input())
print(f'{r ** 2 * math.pi:f} {2 * r * math.pi:f}')


pi = 3.14159265359
r = float(input())
(a, d) = (r * r * pi, 2 * r * pi)
print(a, d, sep=' ')


r = float(input())
print(f'{r ** 2 * 3.141592653589} {2 * r * 3.141592653589:.5f}')


from math import pi
r = float(input())
print(r ** 2 * pi, 2 * r * pi)


r = float(input())
print(r * r * 3.141592653589, 2 * r * 3.141592653589)


r = float(input())
a = 3.141592653589
print(f'{r ** 2 * a:.5f}', f'{2 * r * a:.5f}')


import math
r = float(input())
S = r ** 2 * math.pi
L = r * 2 * math.pi
print(S, L)


import math
r = float(input())
print('%.5f %.5f' % (r * r * math.pi, 2 * r * math.pi))


import math
i = float(input())
print(i ** 2 * math.pi, i * 2 * math.pi)


import math
r = float(input())
print('{} {}'.format(r * r * math.pi, 2 * r * math.pi))


r = float(input())
p = 3.141592653589
print(f'{p * r * r:f} {2 * p * r:f}')


import math
r = float(input())
print(r * r * math.pi, r * 2 * math.pi)


import math
r = float(input())
print(f'{r ** 2 * math.pi:.6f} {r * 2 * math.pi:.6f}')


r = float(input())
pi = 3.141592653589793
print(pi * r ** 2, pi * r * 2)


import math
r = float(input())
pi = math.pi
print(pi * r * r, 2 * pi * r)


r = float(input())
pai = 3.141592653589
print(f'{r * r * pai:.5f} {r * 2 * pai:.5f}')


import math
r = float(input())
print(math.pi * r ** 2, 2 * math.pi * r)


from math import pi
r = float(input())
print(pi * r ** 2, 2 * pi * r)


import math
r = float(input())
s = r * r * math.pi
l = 2 * r * math.pi
print(s, l)


from math import pi
r = eval(input())
print(pi * r * r, 2 * pi * r)


r = float(input())
pi = 3.141592653589793
print(pi * r ** 2, 2 * pi * r)


r = float(input())
pi = 3.141592653589
print(f'{r ** 2 * pi:.6f} {2 * r * pi:.6f}')


from math import pi
r = float(input())
print(f'{pi * r ** 2:.5f} {2 * pi * r:.5f}')


import math
t = float(input())
print('%f %f' % (t * t * math.pi, 2.0 * t * math.pi))


r = float(input())
pi = 3.141592653589
print(r ** 2 * pi, r * 2 * pi)


from math import pi
r = float(input())
print('{} {}'.format(r * r * pi, 2 * pi * r))


from math import pi
r = float(input())
print('%f %f' % (pi * r * r, 2 * pi * r))


pi = 3.1415926535897
r = float(input())
print(r * r * pi, 2 * r * pi)


r = float(input())
pi = 3.1415926535897
print(r * r * pi, 2 * r * pi)


import math
a = float(input())
print(a ** 2 * math.pi, a * 2 * math.pi)


p = 3.141592653589
r = float(input())
print(r * r * p, 2 * r * p)


r = float(input())
e = 3.141592653589
print(r * r * e, 2 * r * e)


r = float(input())
p = 3.141592653589793
print(p * r * r, p * r * 2)


r = float(input())
x = 3.141592653589
print(r ** 2 * x, r * 2 * x)


import math as m
a = float(input())
print('%.6f %.6f' % (a ** 2 * m.pi, 2 * m.pi * a))


import math
p = math.pi
r = float(input())
print(p * r ** 2, 2 * p * r)


import math
r = float(input())
m = float(math.pi)
s = r * r * m
l = 2 * r * m
print(s, l)


r = float(input())
pi = 3.141592653589
print(r ** 2 * pi, 2 * r * pi)


import math
r = float(input())
print(r ** 2 * math.pi, 2 * math.pi * r)


r = float(input())
p = 3.141592653589793
print(r * r * p, 2 * p * r)


a = float(input())
pi = 3.141592653589
print(f'{a * a * pi} {a * 2 * pi}')


r = float(input())
pi = 3.141592653589
print('%f %f' % (r * r * pi, r * 2 * pi))


r = float(input())
import math
print(r * r * math.pi, 2 * r * math.pi)