Problem:
Circle Write a program which calculates the area and circumference of a circle for given radius r . 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 . Constraints  0 < r < 10000  Sample Input 1 2 Sample Output 1 12.566371 12.566371 Sample Input 2 3 Sample Output 2 28.274334 18.849556

Solution (Python):
import math


def calc(r):
    area = r*r*math.pi
    circumference = 2*math.pi*r
    return '{:.6f} {:.6f}'.format(area, circumference)


if __name__ == "__main__":
    r = float(input())
    print(calc(r))

Solution (Python):
import math
r = float(input())
print("{:f} {:f}".format(r ** 2 * math.pi, r * 2 * math.pi))

Solution (Python):
import math

r = float(input())

s = r * r * math.pi
l = 2 * r * math.pi

print('{:.6f} {:.6f}'.format(s,l))

Solution (Python):
import math
r = float(input())
print("%.10f %.10f"%(math.pi*r*r,2.0*math.pi*r))

Solution (Python):
import math
r = float(input())

print("%.6f %.6f" % (r * r * math.pi, 2.0 * math.pi * r))

Solution (Python):
r = float(input())

print(f"{3.141592653589 * r * r} {3.141592653589 * 2 * r}")

Solution (Python):

import sys


tmp= float(input())




pi=3.141592653589793
print('{:.6f}'.format(tmp**2*pi),'{:.6f}'.format(tmp*2*pi))

Solution (Python):
pi = 3.141592653589
r = float(input())

circle = 2 * pi * r

area = pi * r ** 2

print("{:.6f} {:.6f}".format(area, circle))

Solution (Python):
import math
a = float(input())
print("%.10f %.10f" %(a*a*math.pi, 2.0*a*math.pi))

Solution (Python):
import math
r=float(input())
print("{0:.6f} {1:.6f}".format(r*r*math.pi,r*2*math.pi))

Solution (Python):
r = float(input())

print("%f %f"%(3.14159265358979*r**2, 2*3.14159265358979*r))

Solution (Python):
import math
r = input()
r = float(r)
l = 2 * r * math.pi
s = (r ** 2) * math.pi

print(s, l)

Solution (Python):
import math
r = float(input())
print("%.10f %.10f"%(r*r*math.pi, 2.0*math.pi*r))

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

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

Solution (Python):
import math

r = float(input())

print(float(r*r*math.pi), float(r*2*math.pi), sep=' ')

Solution (Python):
import math

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

Solution (Python):
import math
r = float(input())
p = math.pi
print('{:.5f}'.format(p*r**2), '{:.5f}'.format(2*p*r))

Solution (Python):
r = float(input())
a = r*r*3.141592653589793
b = 2*r*3.141592653589793
print(a,b)

Solution (Python):
s = input()
t = float(s)
import math
pai = math.pi
m = pai*(t**2)
l = 2*pai*t
print('{:f} {:f}'.format(m,l))

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

Solution (Python):
r = float(input())
pi = 3.141592653589
area = (r**2) * pi
length = 2 * r * pi

print("{0:.6f} {1:.6f}".format(area, length))

Solution (Python):
pi = 3.14159265358979323846264338327950288

r = float(input())

S = pi * r * r
L = 2 * pi * r

print('{:.6f}'.format(S), '{:.6f}'.format(L))

Solution (Python):
a= float(input())
print((a*a*3.14159265358979323846),(a*2*3.14159265358979323846))

Solution (Python):
a = float(input())

area = a * a * 3.141592653589
circle = 2 * a * 3.141592653589

print("{:5f} {:5f}".format(area, circle))

Solution (Python):
import math

r = float(input())
m = r ** 2 * math.pi
l = r * 2 * math.pi

print('{:.6f} {:.6f}'.format(m, l))

Solution (Python):
r = float(input())
l = r * 2 * 3.141592653589
d = r ** 2 * 3.141592653589
print("%1.6f"%d,"%1.6f"%l)

Solution (Python):
import math

r = float(input())
print("{0:.6f} {1:.6f}".format(math.pi*r*r, math.pi*2*r))

Solution (Python):
import sys
import math
input = sys.stdin.readline
N=float(input())
print(math.pi*N**2,2*N*math.pi)

Solution (Python):
import math
r = float(input())
print(format(math.pi*r*r, '6f'), format(2*math.pi*r, '6f'))

Solution (Python):
import math

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

Solution (Python):
import math
r = float(input())
a = r * r * math.pi
b = r * 2 * math.pi
print("{} {}".format(a, b))

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

Solution (Python):
import math
r = float(input())
area = r * r * math.pi
circum = 2 * math.pi * r
print(area, circum)

Solution (Python):
import math
x =float(input())
pi = math.pi
print("{0:.6f} {1:.6f}".format(x**2*pi,2*x*pi))

Solution (Python):

import math
r = float(input())

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

Solution (Python):
import sys
import math
input = sys.stdin.readline

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

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

Solution (Python):
import math

r = float(input())

print(r**2*math.pi, 2*math.pi*r)

Solution (Python):
pi=3.141592653589795028
a=float(input())
print('{:.10f}'.format(a*a*pi),end=" ")
print('{:.10f}'.format(2*a*pi))

Solution (Python):
import math
a=float(input())
print("{:.5f} {:.5f}".format(math.pi*(a**2),math.pi*2*a))

Solution (Python):
import math
r = float(input())

print(f'{r * r * math.pi:.6f} {r * 2 * math.pi:.6f}')

Solution (Python):
import math
r = float(input())
s = r*r*math.pi
d = 2*math.pi*r


print("%.10f %.10f"%(s,d))

Solution (Python):

import math
p=math.pi

r=float(input())
area=r*r*p
circumference=2*r*p
print("%.6f %.6f"%(area,circumference))

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

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

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

Solution (Python):
import math

r = float(input())
print("{:.6f} {:.6f}".format((r ** 2) * math.pi, (r * 2) * math.pi))

Solution (Python):
pi = 3.141592653589
r = float(input())
print("%f %f" %((r * r * pi),(r * 2 * pi)))

Solution (Python):
r = float(input())
x = 3.141592653589*(r**2)
y = 3.141592653589*2*r
print(x,y)

Solution (Python):
r=float(input())
py=3.14159265358979
l=float(2*py*r)
s=float(py*r*r)
print(s,l)

Solution (Python):
import math
r = float(input())
pi = math.pi
print("%.10f %.10f"%((r**2)*pi,2.0*pi*r))

Solution (Python):
from math import pi
r = float(input())
print(f'{r ** 2 * pi:10f} { r * 2 * pi:10f}')

Solution (Python):
r = float(input())
P = 3.141592653589
M = r * r * P
E = 2 * r * P
print(M, E)

Solution (Python):
a = float(input())
p = 3.141592653589
menseki = a * a * p
enshu = a * 2 * p
print('{0:.6f} {1:.6f}'.format(menseki, enshu))

Solution (Python):
import math

r = float(input())

area = float(r * r * math.pi)
length = float(2 * r * math.pi)

print(f"{area:.6f} {length:.6f}")

Solution (Python):
import math

r = float(input())
print('{0:.6f} {1:.6f}'.format(math.pi*(r**2), 2*math.pi*r))

Solution (Python):
import math
r = float(input())

print("%.6f %.6f" %(r*r*math.pi, 2*r*math.pi))

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

Solution (Python):
import math
a=math.pi
r = float(input())
print("{0} {1}".format(r*r*a, 2*r*a))

Solution (Python):
import math

r = float(input())

print(r**2*math.pi,r*2*math.pi)

Solution (Python):
import math
r=float(input())
print("%.5f %.5f"%(math.pi*(r**2),2*math.pi*r))

Solution (Python):
import sys
import itertools
import math



read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

A = float(readline().rstrip())

print("%.10f %.10f" % (A * A * math.pi, 2*A * math.pi))

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

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

Solution (Python):
r = float(input())
m = r*r*3.141592653589
e = r*2*3.141592653589

print("{0:5f} {1:5f}".format(m,e))

Solution (Python):
r = float(input())
pi = 3.14159265358979323846264338
print("%.7f %.7f" % (r * r * pi, 2 * r * pi))

Solution (Python):
import math
r=float(input())
print("%.5f %.5f"%(r*r*math.pi,2.0*math.pi*r))

Solution (Python):
r = float(input())
pi = 3.141592653589
a = pi*r**2
l = 2*pi*r
print(f"{a:0.6f} {l:0.6f}")

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

Solution (Python):
import math

r = float(input())
area = r*r*math.pi
c = r*2*math.pi
print(str(area) + ' ' + str(c))

Solution (Python):
r = float(input())
pi = 3.141592653589

square = pi * r ** 2
length = 2 * pi * r

print(f"{square} {length}")

Solution (Python):
import math
r=float(input())
print("{:.10f} {:.10f}".format(math.pi*r*r, math.pi*2*r))

Solution (Python):
from math import pi
r = float(input())

print("%.10f %.10f" % (r * r * pi, r * 2 * pi))

Solution (Python):
def truncate(n, decimals=6):
    multiplier = 10 ** decimals
    return int(n * multiplier) / multiplier
import math
r = float(input())
print(truncate(math.pi * float(r) ** 2) , truncate(2 * float(r) * math.pi))

Solution (Python):
r = float(input())
area = r * r * 3.141592653589
circumference = 2 * r * 3.141592653589

print(f"{area} {circumference}")

Solution (Python):
r=float(input())
pi=3.141592653589

print(f"{r**2*pi:.6f} {2*r*pi:.6f}")

Solution (Python):
import math
a=float(input())
m=a*a*math.pi
n=a*2*math.pi
mo='{:.6f}'.format(m)
no='{:.6f}'.format(n)
print(mo,no)

Solution (Python):
import math

r=float(input())

e=2.0*r*math.pi
m=r**2*math.pi

print("{:.6f}".format(m),"{:.6f}".format(e))

Solution (Python):
import math

r = float(input())
area, circumference = r**2 * math.pi, r*2 * math.pi

print("{:.6f} {:.6f}".format(area, circumference))

Solution (Python):
import math
r = float(input())

print('{:.6f} {:.6f}'.format(r*r*math.pi , r*2*math.pi))

Solution (Python):
import math
r = float(input())

print(r * r * math.pi ,2 * r * math.pi)

Solution (Python):
import math

r = float(input())

pi = math.pi
area = r ** 2 * pi
circumference = r * 2 * pi

print(f"{area} {circumference}")

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

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

Solution (Python):
import math

r = float(input())

s = round(math.pi * r * r, 6)
l = round(2 * math.pi * r, 6)

print(s, l)

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

Solution (Python):

import math

r = float(input())
a = math.pi * (r**2)
b = 2 * math.pi * r
print("{0:.6f} {1:.6f}".format(a, b))

Solution (Python):
r = float(input())
pi=3.141592653589
def m():
    return r*r*pi
def s():
    return (2*r)*pi

print(m(),s())

Solution (Python):
import math
r=float(input())
print "%.10f %.10f"%(r*r*math.pi,2*r*math.pi)

Solution (Python):
import math
r = float(input())
print("{0:6f}".format(r*r*math.pi), "{0:6f}".format(r*2*math.pi))

Solution (Python):
import math
r = float(input())
pi = 4*math.atan(1)
print("{:.6f} {:.6f}".format(pi*r**2, pi*r*2))

Solution (Python):
r = float(input())
a = (r**2) * 3.14159265359
len = 2 * 3.14159265359 * r
print("{:.6f} {:.6f}" .format(a, len))

Solution (Python):
r = float(input())
p = 3.14159265358979
print("%.5f %.5f" %(r*r*p,2*r*p))

Solution (Python):
import math
r = float(input())
print("{:f} {:f}".format(math.pi * r**2, 2*math.pi*r))

Solution (Python):
r = float(input())
m = r ** 2 * 3.141592653589
n = r * 2 * 3.141592653589
print('{:.6f} {:.6f}'.format(m, n))

Solution (Python):
import math
def calc_area_and_circumference(r):
    pi = math.pi
    s = pi * r **2
    l = 2 * pi * r

    print("{0:0.5f} {1:0.5f}".format(s, l))

if __name__ == "__main__":
    param = input()
    r = float(param)
    calc_area_and_circumference(r)

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

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

Solution (Python):
import math
r = float(input())
print("%.6f %.6f" % (r*r*math.pi, 2.0*math.pi*r))

Solution (Python):
r = float(input())

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

Solution (Python):
import math
r=float(input())
print("{0} {1}".format(r*r*math.pi,2*r*math.pi))

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

Solution (Python):
a = float(input())
pi = 3.141592653589
s = pi * a * a
l = 2 * pi * a
print(f"{s:.6f} {l:.6f}")

Solution (Python):
import math

r = float(input())
area = round(math.pi * (r**2), 6)
circum = round(math.pi * 2 * r, 6)

print(area, circum)

Solution (Python):
import math
r = float(input())

print("%.10f %.10f"%(r*r*math.pi,2.0*math.pi*r))

Solution (Python):
import math
from decimal import *

radius = float(input())
area = (radius ** 2) * math.pi
circumference = 2 * radius * math.pi
area = Decimal(area).quantize(Decimal("0.000001"))
circumference = Decimal(circumference).quantize(Decimal("0.000001"))
print(area, circumference)

Solution (Python):
import math
r = float(input())
print(f'{math.pi * r * r:.8f} {math.pi * r * 2:.8f}')

Solution (Python):
import math
r = float(input())
print(str('{:.6f}'.format(r*r*math.pi))+" "+str('{:.6f}'.format(2*r*math.pi)))

Solution (Python):
import math
p = math.pi
a = float(input())
x = (a**2)*p
y = a*2*p
print("%.10f %.10f"%(x,y))

Solution (Python):
r = float(input())
pi = 3.141592653589
print("{:.6f}".format(r * r * pi), "{:.6f}".format(2 * pi * r))

Solution (Python):
import sys

sys.setrecursionlimit(10 ** 6)
int1 = lambda x: int(x) - 1
p2D = lambda x: print(*x, sep="\n")

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

Solution (Python):
import math
r = float(input())

print("%.10f %.10f"%(r*r*math.pi,2.0*math.pi*r))

Solution (Python):
from math import pi
r = float(input())
area = pi * (r**2)
circumference = 2 * pi * r
print("{:.8f} {:.8f}".format(area, circumference))

Solution (Python):
import math

def Area_perimeter(r):
    p = 2*math.pi*r
    a = math.pi*pow(r,2)
    return p,a


def main():
    r = float(input())
    p,a = Area_perimeter(r)
    print("%.6f %.6f"%(a,p))

if __name__ == "__main__":
    main()

Solution (Python):
import math
  
n = float(input())

area = n*n*math.pi
circum = 2*n*math.pi
print(area, circum)

Solution (Python):
r = float(input())
print(r**2*3.141592653589,r*2*3.141592653589)

Solution (Python):
import math
r = float(input())

Area = r * r * math.pi
Circumference = 2 * r * math.pi

print("{:.6f}".format(Area),"{:.6f}".format(Circumference))

Solution (Python):
r = float(input())

import math

area = r**2 * math.pi
length = r * 2 *math.pi
print(f"{area:.6f} {length:.6f}")

Solution (Python):
a = float(input())
print(a*a*3.141592653589,a*2*3.141592653589)

Solution (Python):
import math
a = float(input())
print("%.10f %.10f" % (a*a * math.pi, a*2 * math.pi))

Solution (Python):
r=float(input())
a=3.141592653589*r*r
b=2*3.141592653589*r
print(f"{a:.5f} {b:.5f}")

Solution (Python):
from math import pi

r = float(input())
s = round(r**2*pi, 5)
l = round(r*2*pi, 5)

print(s, l)

Solution (Python):
import math

r = float(input())

S=r*r*math.pi
R=2*r*math.pi

print(S,R)

Solution (Python):
import math
r = float(input())
print("{:.6f}".format(r * r * math.pi), "{:.6f}".format(r * 2 * math.pi))

Solution (Python):
pi = 3.141592653589793238

r = float(input())
area = float(r*r*pi)
length = float(2*r*pi)
print("{0:.6f} {1:.6f}".format(area,length))

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

Solution (Python):
r = float(input())
pi = 3.141592653589793238
a = float(2*pi*r)
b = float(pi*(r**2))
print(b,a)

Solution (Python):
PI = 3.14159265358979323846264338327950288

a = float(input())

print("{:.6f} {:.6f}".format(PI * a ** 2, 2 * PI * a))

Solution (Python):
import math

r = float(input())
a = round(r ** 2 * math.pi, 6)
c = round(2 * math.pi * r, 6)

print(f"{a} {c}")

Solution (Python):
i = float(input())
s = 3.141592653589

print(f"{i * i * s:.6f} {i * 2 * s:.6f}")

Solution (Python):
import math
r = float(input())
print("%.6f %.6f"%(math.pi * r * r, 2 * math.pi * r))

Solution (Python):
r = float(input())
pi = 3.141592653589
l = 2*r*pi
size = r*r*pi
print("%.6f %.6f" %(size,l))

Solution (Python):
r = float(input())
pi = 3.141592653589
S = pi * r ** 2
l = 2 * pi * r
print(S, l)

Solution (Python):
r = float(input())
pi = 3.141592653589
l = r * 2 * pi
s = r * r * pi
print(f"{s} {l}")

Solution (Python):
r = float(input())
print('{:.6f}'.format(3.141592653589*r**2), '{:.6f}'.format(3.141592653589*r*2))

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

Solution (Python):
import math
r=float(input())
pi=math.pi
print("%.10f %.10f"%(r*r*pi,2*r*pi))

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

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

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

Solution (Python):
import math
r= float(input())

print(math.pi*r**2, math.pi*2*r)

Solution (Python):
import math

r=float(input())
s=math.pi*r*r
l=math.pi*2*r
print(f"{s:} {l:}")

Solution (Python):
r = float(input())
p = 3.141592653589
s = r*r*p
l = 2*r*p
print(f"{s:.6f} {l:.6f}")

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

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

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

Solution (Python):

r = float(input())
p = 3.141592653589
a = p*r**2
b = 2*p*r
print(f"{a:.6f} {b:.6f}")

Solution (Python):
import math
r = float(input())
l = 2.0 * math.pi * r
s = math.pi * r * r
print('{:.8f} {:.8f}'.format(s, l))

Solution (Python):
import math
r = float(input())

print("%.10f %.10f" %(r*r*math.pi, 2.0*math.pi*r))

Solution (Python):
import math

r = float(input())

area = r * r * math.pi
circumference = 2 * r * math.pi

print("{0:.20f} {1:.20f}".format(area, circumference))

Solution (Python):
r = float(input())
l = 2*r*3.141592653589
s = r**2*3.141592653589
print(f"{s:.5f} {l:.5f}")

Solution (Python):
import math

def area(r) -> float:
    return math.pi * r ** 2

def circumference(r) -> float:
    return 2 * math.pi * r

r = float(input())
print("%.5f %.5f" % (area(r), circumference(r)))

Solution (Python):
import math
a = float(input())
p = math.pi
print('{:.6f} {:.6f}'.format(a*a*p,2*a*p))

Solution (Python):
r = float(input())
pi = 3.141592653589
print(str(round(pi*r*r, 6))+" "+str(round(2*r*pi, 6)))

Solution (Python):
def main():
    from math import pi
    r = float(input())
    print(r*r*pi,2*r*pi)

if __name__ == '__main__':
    main()

Solution (Python):
r = float(input())
  
s = r * r * 3.141592653589;
l = 2.0 * r * 3.141592653589;
  
print(s, end = " ")
print(l)

Solution (Python):
import math

r=float(input())

print(r*r*math.pi, 2*r*math.pi)

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

Solution (Python):

r=float(input())
pi=3.141592653589

print(r*r*pi,2*pi*r)

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

Solution (Python):
import math

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

Solution (Python):
import math

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

Solution (Python):
import math

r = float(input())

s = float(r ** 2 * math.pi)
l = float(2 * r * math.pi)
print(f"{s:.6f} {l:.6f}")

Solution (Python):
import math
a = float(input())
print(f"{a*a*math.pi:.7f} {2.0*a*math.pi:.7f}")

Solution (Python):
r = float(input())

π = 3.141592653589
x = r**2 * π
y = 2 * r * π

print('{:.10f} {:.10f}'.format(x, y))

Solution (Python):
from math import pi

r = float(input())

print("%.10f %.10f" %(pi*r*r, 2*pi*r))

Solution (Python):
r = float(input())
p = 3.141592653589793238
print("%f %f" % ( r**2 * p, r*2 * p))

Solution (Python):
r = float(input())
pi = 3.141592653589

S = r*r*pi
R = 2*r*pi

print(S,R)

Solution (Python):
r = float(input())
pi = 3.141592653589793238462643383279
print("%.6f %.6f"%(pi*r*r, 2*pi*r))

Solution (Python):
import math
r = float(input())
print("{:.6f}".format(r*r*math.pi) + " " + "{:.6f}".format(r*2*math.pi))

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

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

Solution (Python):
from math import pi
r = float(input())
print("{0} {1}".format(r * r * pi, (r + r) * pi))

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

Solution (Python):
import math

r = float(input())

S = math.pi * (r ** 2)
L = 2 * math.pi * r

print(S, L)

Solution (Python):
pai=3.141592653589
r=float(input())
area=pai*r**2
circumference=2*pai*r
print(f"{area:.5f} {circumference:.5f}")

Solution (Python):
import math
r = float(input())
pai = math.pi

menseki = r*r*pai
around = 2*r*pai
print(menseki, around)

Solution (Python):
import math

r = float(input())

print(r*r*math.pi, 2*r*math.pi)

Solution (Python):
import math
l = input().split()
r = float(l[0])

a = r*r*math.pi
b = 2*r*math.pi
print(f"{a:.6f} {b:.6f}")

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

Solution (Python):
pi = 3.141592653589
r = float(input())
S = pi * (r ** 2)
L = 2 * pi * r
print(f"{S:.6f} {L:.6f}")

Solution (Python):
import math
n=float(input())
print("%.10f %.10f"%((n**2)*math.pi,2*n*math.pi))

Solution (Python):
from math import pi
n = float(input())
s = pi*(n**2)
l = 2*n*pi
print('{:.6f} {:.6f}'.format(s, l))

Solution (Python):
from math import pi

r = float(input())
print("{:.5f} {:.5f}".format(pi * r * r, 2 * pi * r))

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

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

Solution (Python):
import math

x = math.pi

r = float(input())

area = r * r * x

circle = 2 * r * x

print("%f %f" % (area, circle))

Solution (Python):
a = float(input())
b = (a**2)*(3.14159265358979)
c = 2*a*3.1415926535
print("{} {}".format(b,c))

Solution (Python):
r = float(input())
print(f"{r*r*3.14159265358979} {2*r*3.14159265358979}")

Solution (Python):
pi = 3.14159265359
r = float(input())
print('%.10f %.10f'%(pi*r*r,2.0*pi*r))

Solution (Python):

import math
pi = math.pi
r = float(input())
s = pi * (r ** 2)
l = 2 * pi *r
print(str('{:.10f}'.format(s)) + ' ' + str('{:.10f}'.format(l)))

Solution (Python):
r = float(input())
pi = 3.14159265359
a = r * r * pi
b = r * 2 * pi
print(str('{:.6f}'.format(a)) + ' ' + str('{:.6f}'.format(b)))

Solution (Python):
import math

r = float(input())

area = (r * r) * math.pi
len = 2 * math.pi * r

print('%.6f %.6f' % (area, len))

Solution (Python):
import math
pi = math.pi
r = float(input())
print(format(r*r*pi,'.6f'), format(2*r*pi,'.6f'))

Solution (Python):
import math

r = float(input())

a = (r ** 2) * math.pi

c = (2*r) * math.pi

print('{0:.6f}'.format(a), '{0:.6f}'.format(c))

Solution (Python):
import math

r = float(input())

print(r*r*math.pi, 2*r*math.pi)

Solution (Python):
import math
r = float(input())
print("%.6f %.6f"%((r**2)*math.pi, (r*2)*math.pi))

Solution (Python):

import math

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

Solution (Python):
import math
r = float(input())
print("%f %f"%(math.pi*r**2, 2*math.pi*r))

Solution (Python):
from math import pi
r=float(input())
print("%f %f" % (pi*r*r,2*pi*r))

Solution (Python):
import math

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

Solution (Python):
def test():

	i = list(map(float,input().split()))

	area = i[0] * i[0] * 3.141592653589
	circ = 2 * i[0] * 3.141592653589

	print(f"{area:.6f} {circ:.6f}")

if __name__ == "__main__":
	test()

Solution (Python):
import math

s = input()
r = float(s)

len=2*r*math.pi
S=r*r*math.pi
str_len= f"{len:.6f}"
str_S= f"{S:.6f}"

print(str_S,str_len)

Solution (Python):
import math
r = float(input())

print('%.10f %.10f' % (r**2*math.pi, 2*r*math.pi))

Solution (Python):
a = float(input())
print(a*a*3.141592653589,a*2*3.141592653589)

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

Solution (Python):
r = float(input())
import math
pi = math.pi
S = pi*r**2
l = 2*pi*r
print("{} {}".format(S, l))

Solution (Python):
import math
r = float(input())
print("{0:.6f}".format(math.pi*(r**2)), "{0:.6f}".format(math.pi*(2*r)))

Solution (Python):

import math
r = float(input())

print("{:6f} {:6f}".format(r*r*math.pi,2*math.pi*r))

Solution (Python):
import math

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

Solution (Python):
import math
r = float(input())

x = math.pi*r*r
y = math.pi*r*2

print('{:.6f}'.format(x), '{:.6f}'.format(y))

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

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

Solution (Python):
pi = 3.141592653589793238
a=float(input())
print(a**2 * pi, 2 * a * pi)

Solution (Python):
import math
r = float(input())
print("%f %f" %(math.pi * r * r, 2 * math.pi * r))

Solution (Python):
import sys
import math

nums = float(sys.stdin.readline())
f = '{:.06f}'
print(f.format(nums * nums * math.pi), f.format((nums * 2) * math.pi))

Solution (Python):
from math import pi 

r = float(input())
area = r * r * pi
cir =(r+r) * pi
print(f'{(area):.6f} {(cir):.6f}')

Solution (Python):
import math

r = float(input())
print("%.10f %.10f"%(r**2*math.pi, 2*math.pi*r))

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

Solution (Python):
i = float(input())
pi = 3.141592653589

s = i * i * pi
r = i * 2 * pi

print(s, r)

Solution (Python):
import math
r = float(input())
area = round(r**2 * math.pi, 7)
length = round(2 * r * math.pi, 7)
print(str(area) , str(length))

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

Solution (Python):
import math
r = float(input())
L = 2 * r * math.pi
S = r * r * math.pi
print('{:.5f}'.format(S), '{:.5f}'.format(L))

Solution (Python):
import math
r=float(input())
x=2.0*math.pi*r
y=math.pi*r*r
print('%.6f %.6f'%(y,x))

Solution (Python):
r = float(input())

a = r*r*3.141592653589

b = 2*r*3.141592653589

print(f"{a:.5f} {b:.5f}")

Solution (Python):
r=float(input())
x=r*r*3.141592653589 
y=2*r*3.141592653589 
print(str(("{:.8f}".format(x)))+" "+str(("{:.8f}".format(y))))

Solution (Python):
a=float(input())
x=a*a*3.141592653589
y=2*a*3.141592653589
print(str(("{:.8f}".format(x)))+" "+str(("{:.8f}".format(y))))

Solution (Python):
import math
r = input()
r = float(r)
a = math.pi*r*r
b = math.pi*2*r
print("%.5f %.5f"%(a,b))

Solution (Python):
import math

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

Solution (Python):
import math
r = float(input())

print("%.10f %.10f"%(r*r*math.pi,2.0*math.pi*r))

Solution (Python):
r=float(input())

print("%.6f %.6f" %(r*r*3.141592653589,r*2*3.141592653589))

Solution (Python):
import math

r = float(input())

print("%f %f" % (r * r* math.pi, 2 * r * math.pi))

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

Solution (Python):
a=float(input())
z=(3.141592653589)
g=(a*a*z)
o=(2*a*z)
print(str(g)+' '+str(o))

Solution (Python):
import math
  
r=float(input())
  
print("%10f %10f"%(r*r*math.pi, 2*r*math.pi) )

Solution (Python):
pi=3.1415926535897
r=float(input())

S=r*r*pi
circle_long=2*pi*r

print(f"{S:6f} {circle_long:.6f}")

Solution (Python):
import math
pi = math.pi

r = float(input())
S = pi * (r**2)
l = 2 * pi * r

print("{:5f}".format(S), "{:5f}".format(l))

Solution (Python):
import math

r = float(input())

area = r * r * math.pi
circle = 2 * math.pi * r

print("{0:.6f} {1:.6f}".format(area,circle))

Solution (Python):
import math

r = float(input())
print("{:.6f} {:.6f}".format(math.pi*r*r,2*math.pi*r))

Solution (Python):
import math
r = float(input())

print("{0:.8f}".format(math.pi * r ** 2), "{0:.8f}".format(2*math.pi*r))

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

Solution (Python):
import math

r = float(input())

print(math.pi*(r**2), 2*math.pi*r)

Solution (Python):
r = float(input())
area = r**2*3.141592653589
premeter = 2*r*3.141592653589
print(f"{area:.6f} {premeter:.6f}")

Solution (Python):
import math

r = float(input())

pi = math.pi

s = pi*r**2
l = 2*pi*r


print('{:.6f} {:.6f}'.format(s, l))

Solution (Python):
import math


if __name__ == "__main__":
    r = float(input())
    area = math.pi * r ** 2.0
    circumstance = 2.0 * math.pi * r
    print(f"{area:.5f} {circumstance:.5f}")

Solution (Python):
import math

r = float(input())
S = float(r ** 2 * math.pi)
L = float(2 * math.pi * r)
print(format(S, '.6f') + " " + format(L, '.6f'))

Solution (Python):
import math
r = float(input())
menseki = r ** 2 * math.pi
ensyu = 2 * r * math.pi

print(str('{:.6f}'.format(menseki)) + " " + str('{:.6f}'.format(ensyu)))

Solution (Python):
r=float(input())
print(f"{3.141592653589*r*r:.6f} {3.141592653589*r*2:.6f}")

Solution (Python):
import math
r=float(input())
print("{0:.6f} {1:.6f}".format(math.pi*r**2, 2*math.pi*r))

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

Solution (Python):
import math
r = float(input())
print("%f %f"%(r*r*math.pi,2*r*math.pi))

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

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

Solution (Python):
from math import pi



r = float(input())

print("{0} {1}".format(r * r * pi, 2 * r * pi))

Solution (Python):
import math
r = float(input())

print("%.10f %.10f"%(r*r*math.pi,2.0*math.pi*r))

Solution (Python):
import math

r = float(input())

print("{:.5f} {:.5f}".format(r ** 2 * math.pi, 2 * math.pi * r))

Solution (Python):


import math

r = float(input())

area = math.pi * (r ** 2)
edge = math.pi * 2 * r

print(area, edge)

Solution (Python):
r = float(input())
pi = 3.1415926535897932384626
print(pi*r*r,2*pi*r)

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

Solution (Python):
import math
r = float(input())
print ('{0:f} {1:f}'.format(math.pi*r**2, math.pi*2*r))

Solution (Python):
r=float(input())
pi=3.141592653589
print("{:.8f}".format(r*r*pi),"{:.8f}".format(2*r*pi))

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

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

Solution (Python):

r = float(input())
a = 3.14159265358979
menseki = r *r * a
nagasa = 2 * r * a
print("{0:.6f}".format(menseki), end ="")
print(" ""{0:.6f}".format(nagasa))

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

Solution (Python):
r = float(input())
l = 2 * 3.141592653589 * r
s = 3.141592653589 * (r**2)

print("{0} {1}".format(s, l))

Solution (Python):
r = float(input())
import math
p=math.pi

S=float(r*r*p)
R=float(2*r*p)
print(S,R)

Solution (Python):
import math

r = (float)(input())

print("%f %f"%(r*r*math.pi,2*r*math.pi))

Solution (Python):
import math
r=float(input())
print("{:.6f} {:6f}".format(math.pi*(r**2),2*r*math.pi))

Solution (Python):
import math
r=float(input())
print("%f %f" % (r*r*math.pi,2*r*math.pi))

Solution (Python):
r = float(input())
pi = 3.141592653589793238
print(r * r * pi, 2 * r * pi)

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

Solution (Python):
import math
r = float(input())

print("%.10f %.10f"%(r*r*math.pi,2.0*math.pi*r))