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 sys
import math


def main():
    r = float(sys.stdin.readline())
    print(math.pi * r**2, 2 * math.pi * r)
    return


if __name__ == '__main__':
    main()

Solution (Python):
pai = 3.141592653589793

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

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

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

Solution (Python):
import math

r=float(input())

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

Solution (Python):
pi = 3.141592653589793

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

Solution (Python):
import math 
r =float(input())
R = r*2*3.14159265358979
S = r**2*3.14159265358979
print(S,R)

Solution (Python):
from math import pi
r = float(input())
print('{0:.5f} {1:.5f}'.format(r*r*pi,2*pi*r))

Solution (Python):
import math

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

Solution (Python):
import math
r = float(raw_input())
print "%.8f %.8f" % (r*r*math.pi, 2*r*math.pi)

Solution (Python):

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

Solution (Python):
from math import pi

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

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

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

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

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

Solution (Python):




import math

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

Solution (Python):
import math

r = float(input())
x = math.pi

print("{} {}".format(r*r*x,2*x*r))

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

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

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

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

Solution (Python):
import math

r = float(input())

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

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

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

Solution (Python):
import math
a=float(input())
print("{0:.9f} {1:.9f}".format(a*a*math.pi,a*2*math.pi))

Solution (Python):
import math

r = float(input())

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

Solution (Python):
import math

r=float(input())

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

Solution (Python):
import math

r = float(input())

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

Solution (Python):
import sys,math

def solve():
    a = float(input())
    print(a**2*math.pi ,a*2*math.pi)
    
solve()

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

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

Solution (Python):
import math

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

Solution (Python):
import math

a = float(input())

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

Solution (Python):
from sys import stdin
from math import pi

r = float(stdin.readline().rstrip())
area = pi*r*r
circumference = 2*pi*r
print("%lf %lf" % (area, circumference))

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

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

Solution (Python):
import math

pai = math.pi

r = float(input())

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

Solution (Python):
r = float(input())
pi = 3.14159265359
S = '{:.8f}'.format(r**2*pi)
C = '{:.8f}'.format(2 * r * pi)
print(S,C)

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

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

Solution (Python):
from math import pi

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

Solution (Python):

pi = 3.141592653589

r = float(input())

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

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

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

Solution (Python):
import math

PI = math.pi
string = input()
number = string.split(' ')
r = float(number[0])
print(r*r*PI, r*2*PI)

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

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

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


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

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

print("%0.5f %0.5f" %(r*r*math.pi,2*r*math.pi))

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

print("%.5f %.5f" %(r*r*math.pi,2*r*math.pi))

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

Solution (Python):
import math

r = float(input())

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

Solution (Python):
pi = 3.14159265359
r = float(input())

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

Solution (Python):
def calc_circle(r):
    pi = 3.14159265359
    area = round(r*r*pi, 6)
    circ = round(2*r*pi, 6)

    return (area, circ)


if __name__ == "__main__":
    r = float(input())
    area, circ = calc_circle(r)
    print(f"{area:.6f} {circ:.6f}")

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

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

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

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

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

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

Solution (Python):
import math
r=float(input())
area=r**2*math.pi
circumference=r*2*math.pi
print("{0:.5f} {1:.5f}".format(area,circumference))

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

print("{} {}".format(r*r*p, 2*r*p))

Solution (Python):
import math
a = float(input())
print(str("{0:.6f}".format((a * a) * math.pi)) + " " + str("{0:.5f}".format((a + a) * math.pi)))

Solution (Python):
import math

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

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





m = 3.141592653589 * r * r
l = 3.141592653589 * r * 2

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

Solution (Python):
import math

r=float(input().strip())
print('{0:5f} {1:5f}'.format(r**2*math.pi,2*r*math.pi))

Solution (Python):
import math

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

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

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

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

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

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

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

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

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

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

Solution (Python):
import math

r = float(input())

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

Solution (Python):
import math

r = float(input())

s = r*r*math.pi
l = 2.0*r*math.pi

print(s,l)

Solution (Python):
import math

r = float(input())

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

print(s,l)

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

Solution (Python):
from sys import stdin
from math import pi

r = float(stdin.readline().rstrip())

s, cl = pi * r ** 2, 2 * pi * r

print("{:.6f} {:.6f}".format(s, cl))

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

Solution (Python):
r = float(input())
pi = 3.14159265359
print("%.6f %.6f" %(pi*r*r,2*pi*r))

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

Solution (Python):
import math

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

print("{} {}".format(S, l))

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

pi =math.pi

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

Solution (Python):
import math
a=float(input())
print('{0:.6f} {1:.6f}'.format(a*a*math.pi, (a+a)*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):
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*r*math.pi, 2*r*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):
from math import pi
r = float(input())
area = r * r * pi
cir =(r+r) * pi
print(f'{(area):.6f} {(cir):.6f}')

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):
from math import pi
r = float(input())
S = r * r * pi
L = 2 * r * pi

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

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):
from math import pi
r = float(input())
S = r * r * pi
L = 2 * r * pi

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

Solution (Python):
from math import *

def az9():
    r = float(input())
    print "%5f"%(pi*r*r), "%5f"%(2*pi*r)

az9()

Solution (Python):
r = float(raw_input())
P = 3.14159265359
print "%0.6f %0.6f" % (r * r * P, 2 * P * r)

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

Solution (Python):

import sys
import math


file = sys.stdin

r = float(file.readline())
l = 2*math.pi*r
s = math.pi*r*r

print("{0:.6f} {1:.6f}".format(s, l))

Solution (Python):
from decimal import Decimal
p=3.141592653589
r=float(raw_input())
print Decimal(r*r*p),Decimal(r*2*p)

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

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

Solution (Python):
import math
a = float(input())
b = math.acos(-1)
print "%f %f" % (a * a * b , 2 * a * b)

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

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

Solution (Python):
import math
r = input()
print "%0.6f %0.6f"%(r*r*math.pi,r*2*math.pi)

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

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

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

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

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

Solution (Python):
import math

r = float(input())

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

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

Solution (Python):
r=input();p=3.14159265358979323846;print "%.10f"%(p*r*r),r*2*p

Solution (Python):
r=input();p=3.1415926535897932;print "%.9f"%(p*r*r),r*2*p

Solution (Python):
r=input();p=3.141592653589793;print "%.9f"%(p*r*r),r*2*p

Solution (Python):
r=input();p=3.14159265358979;print "%.9f"%(p*r*r),r*2*p

Solution (Python):
r=input();p=3.1415926535897;print "%.9f"%(p*r*r),r*2*p

Solution (Python):
r=input();p=3.141592653589;print "%.9f"%(p*r*r),r*2*p

Solution (Python):
r=input();p=3.14159265359;print "%.9f"%(p*r*r),r*2*p

Solution (Python):
import math
a = float(raw_input())

b = (pow(a, 2) * math.pi)
c = 2 * a * math.pi
print format(b,".6f"), format(c, ".6f")

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

print('{0} {1:.6f}'.format(r * r * p, r * 2 * p))

Solution (Python):
import math

r = float(input())

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

print(s, l)

Solution (Python):
import math

r= float(input())

a = r * r * math.pi

b = 2 * math.pi * r

print(a, b)

Solution (Python):
import math
r = float(input())
e = 2 * math.pi * r
m = r * r * math.pi

print("{0:.6f} {1:.6f}".format(m, e))

Solution (Python):
import math

r = float(input())

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

print('{0:.6f} {1:.6f}'.format(S, C))

Solution (Python):
import math

r = float(input())

S =r * r * math.pi
C =(r + r) * math.pi

print('{0:.6f} {1:.6f}'.format(S,C))

Solution (Python):

"""
Created on Tue Feb 03 12:20:19 2015

@author: hirose
"""
import math

n = map(float, raw_input().split())

r = n[0]

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

exit(0)

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

Solution (Python):
import math
r=float(input())
print("{:0.6f} {:0.6f}".format(r**2*math.pi,r*2*math.pi))

Solution (Python):
import math
import sys
r = float(sys.stdin.readline())
print("%0.6f %0.6f" % (math.pi * r ** 2, math.pi * r * 2))

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

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

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

Solution (Python):
import math

if __name__ == '__main__':
    pi = math.pi
    r = float(input())
    print("{0:.5f} {1:.5f}".format(pi * (r ** 2), 2 * pi * r))

Solution (Python):



import math

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

Solution (Python):


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

Solution (Python):
r=float(raw_input())
p=float(3.14159265358979323846264338327950288)
s=p*r**2.0
l=2.0*p*r
print"%.5f %.5f"%(float(s),float(l))

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

Solution (Python):
import sys
import math

r = float( sys.stdin.readline() )
print( "{:7f} {:7f}".format( r*r*math.pi, r*2*math.pi ) )

Solution (Python):
import sys
import math

r = float( sys.stdin.readline() )
print( "{:7f} {:7f}".format( r*r*math.pi, r*2*math.pi ) )

Solution (Python):
import math

r = float( input() )
print( "{:7f} {:7f}".format( r*r*math.pi, r*2*math.pi ) )

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

Solution (Python):
import math

r = float(raw_input())
l = 2 * math.pi * r
S = math.pi * r ** 2

print "%f %f" %(S, l)

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

Solution (Python):
import math

r = float(raw_input())
l = 2 * math.pi * r
S = math.pi * r ** 2

print "%f %f" %(S, l)

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

Solution (Python):


import math

r = input()
print "%2.6f %2.6f" % (r**2*math.pi,2*r*math.pi)

Solution (Python):
from math import pi

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

Solution (Python):

from math import pi
r = float(raw_input().strip())
print "{0:f} {1:f}".format(pi * r * r, 2 * pi * r)

Solution (Python):
if __name__ == "__main__":
    from decimal import Decimal
    r = Decimal(raw_input())
    pi = Decimal("3.14159265358979")

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

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

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

Solution (Python):
import math
r = float(input())
print('%.7f %.7f' % (r * r * math.pi, 2 * r * math.pi))

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

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

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

Solution (Python):
import math

r = float(input())

s = r * r * math.pi

l = r * 2 * math.pi

print('%.5f %.5f' % (s, l))

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

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

Solution (Python):
import warnings



r = input()

sq = 1.0 * r *r * 3.14159265358979323846264338327950288419716939937510

l = 2.0 * 3.14159265358979323846264338327950288419716939937510 * r

print "%.30f %.30f" % (sq, l)

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

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

Solution (Python):
import math

r = float( input())
s =  r * r * math.pi
l = ( r + r) * math.pi

print( '{0:.5f} {1:.5f}'.format( s, l))

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

Solution (Python):
import math

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

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

s = r * r *  math.pi
l = (r + r) * math.pi

print('%.5f %.5f' % (s, l))

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

Solution (Python):

1
2
3
from math import pi
r = float(input())
print('{:.6f} {:.6f}'.format(pi*r**2, 2*pi*r))

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

Solution (Python):
1
2
3
from math import pi
r = float(input())
print('{:.6f} {:.6f}'.format(pi*r**2, 2*pi*r))

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

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

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

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

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

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

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

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

Solution (Python):
import math
print(' '.join(
    map('{:.6f}'.format,
        map(math.pi.__mul__,
            (lambda x: (x**2, x*2))(float(input()))))))

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

Solution (Python):
import math

i = float(input())
area = float(math.pi * i * i)
length = float(2 * math.pi * i)

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

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

Solution (Python):
import math

r = input()
r = float(r)

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

print("{0:.5f} {1:.5f}".format(area, length))

Solution (Python):
import math
r = input()
s = math.pi * r ** 2
l = 2 * math.pi * r
print "{0: 6f}".format(s), round(l,8)

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

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

Solution (Python):
import math
 
r = input()
r = float(r)
 
area = math.pi * (r ** 2)
length = 2 * math.pi * r
 
print("{0:.5f} {1:.5f}".format(area, length))

Solution (Python):
r = map(float,raw_input().split())
print  '%.10f'%(r[0]*r[0]*3.14159265358979323846) 
print '%.10f'%(r[0]*2*3.14159265358979323846)

Solution (Python):
import math

r = float(raw_input())
s = r * r * math.pi
l = 2.0 * r * math.pi

print "%f %f" % (s, l)

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

Solution (Python):
import math

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

Solution (Python):
import math

r=float(raw_input())
s=r*r*math.pi
l=2*r*math.pi

print  "{0:.6f}".format(s),"{0:.6f}".format(l)

Solution (Python):

import math

r = float(input())

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

area = ('%03.6f' % area)
circumference = ('%03.6f' % circumference)

print(area),
print(circumference)

Solution (Python):
import math
r=input()
print "{0:0.6f} {1:0.6f}".format(r*r*math.pi, 2*r*math.pi)

Solution (Python):
import math

r = float(input())

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

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

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

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

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

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

Solution (Python):
import sys
import math

r = float(sys.stdin.readline())
print('%.5f %.5f' % (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('%.5f %.5f'%(S,L))

Solution (Python):
import sys,math

r = float(sys.stdin.readline())

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

Solution (Python):
import math
t = float(input())
a = math.pi * t**2
b = 2 * t * math.pi
print(str("{0:.8f}".format(a)) + " " + "{0:.8f}".format(b))

Solution (Python):
import math
r = float(input())
t = r**2 * math.pi
s = 2 * r * math.pi
print(str("{0:.8f}".format(t)) + " " + str("{0:.8f}".format(s)))

Solution (Python):


pi = 3.141592653589793
r = float( input() )

area = r * r * pi
circle = 2 * r * pi

print(format(area, '.10f'), format(circle, '.10f'))

Solution (Python):


import math

r = float( input() )

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

print(format(area, '.10f'), format(circle, '.10f'))

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

Solution (Python):
r = input()
from math import *

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

Solution (Python):
import math

r = float( raw_input() ) 

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

print"%f %f" %(S,l)

Solution (Python):
from math import pi
r = input()
print '%.6lf %.6lf' % (r * r * pi, 2 * r * pi)

Solution (Python):
import math
r = input()
print "{0:.7f}".format(r**2 * math.pi),"{0:.7f}".format(2 * r * math.pi)

Solution (Python):
import math
r = input()
area = r * r * math.pi * 1.0
cir = 2 * r * math.pi * 1.0
print '%f %f' % (area, cir)

Solution (Python):
import math

r = float(raw_input())

print "%.5f %.5f" %(r**2*math.pi, 2*r*math.pi)

Solution (Python):
import math
 
r = float(input())
    
l = 2*math.pi*r
s = r*r*math.pi
    
print "%.8f %.8f" %(s, l)

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

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

Solution (Python):
r = float(input())
l = 2*r*3.14159265358979
are = r*r*3.14159265358979
print("{0:.8f} {1:.8f}".format(are, l))

Solution (Python):
import math

n = float( input() )

L = 2*math.pi*n
S = n * n * math.pi

print("%.6f"%(S),"%.6f"%(L))

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

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

print '%f %f' %(s,l)

Solution (Python):
r = float(raw_input())
p = 3.14159265358979323846
print '%f %f' %(p * r**2, 2.0 * p * r)

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

Solution (Python):
import math

k=float(raw_input())

s=k*k*math.pi
t=2*k*math.pi

print "%.6f %.6f"%(s,t)

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

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

Solution (Python):
import math
r = raw_input()
r = float(r)
a = r*r*math.pi
b = 2 * r *math.pi
print "%.9f %.9f"%(a,b)

Solution (Python):
import math

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

Solution (Python):
import math
r = float(raw_input())
V = r*r*math.pi
S = 2*r*math.pi

print '%f %f' %(V, S)

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

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

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

Solution (Python):
import math

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

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

Solution (Python):
import math

r = float(input())

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

print(S, L)

Solution (Python):
import math

r = input()

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

Solution (Python):
import math

r = float(raw_input())

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

print "%f %f" %(S,R)

Solution (Python):
import math

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

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

Solution (Python):
import math

r = input()

l  = math.pi*r*2.0
s  = r*r*math.pi

print "%f %f" %(s, l)

Solution (Python):
import math

r = float(input())

s = math.pi * r**2
l = 2.0*math.pi*r

print(s, l)

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

a = math.pi * r**2
b = math.pi * r * 2

print(str(a) + " " + str(b))

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

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

Solution (Python):
from math import pi
r = float(input())
print(round(r * r * pi, 7), round(2 * pi * r, 7))

Solution (Python):
import math

r = input()
print ("%.5f " "%.5f")% (r*r*math.pi, 2*r*math.pi)

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

Solution (Python):


l = raw_input()


r = float(l)

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

C = 2 * math.pi * r

print "%f %f" %(S, C)

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

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

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

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

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

Solution (Python):


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

Solution (Python):
import math 

r = input()

a = r**2*math.pi
b = r*2*math.pi

print ("%f %f" %(a,b))

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

Solution (Python):
import math

n = float(raw_input())
a = n * n * math.pi
b = 2 * n * math.pi
print ('%.6f %.6f' % (a, b))

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

Solution (Python):


import math

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

Solution (Python):

import math as ma

x = float(input())

pi = (x * x) * ma.pi

pi_line = (x + x) * ma.pi

print("{0} {1}".format(pi,pi_line))

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

Solution (Python):
import math

x = raw_input()
x = float(x)

S = x*x*math.pi
l = 2*x*math.pi

print("%.6f %.6f" %(S, l))

Solution (Python):
import math
r=float(input())
print('{0:.5f} {1:.5f}'.format(math.pi*r*r,math.pi*r*2))

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

Solution (Python):
import math

class Circle:
    def output(self, r):
        print "%.6f %.6f" % (math.pi * r * r, 2.0 * math.pi * r)

if __name__ == "__main__":
    cir = Circle()
    r = float(raw_input())
    cir.output(r)

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

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

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

r = input()
men = r*r * PI
sen = r*2 * PI

print('%.6f %.6f' % (men, sen))

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

Solution (Python):

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

Solution (Python):
import sys
import math

r = float(sys.stdin.readline())
print("%f %f" % (r*r*math.pi, r*2*math.pi))

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

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

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

Solution (Python):


import math
def main():
	rad = float(input())
	print("%f %f" % ((rad ** 2) * math.pi,(rad * 2) * math.pi))
if __name__ == '__main__':
  main()

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

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