Buggy python submission (verdict: Runtime Error):
pi = 3.141592653589793

r = int(input().rstrip().split())

a = r * r * pi

b = r * pi

print(a, b)

Fixed submission:
import math

r= float(input())

a = r * r * math.pi

b = 2 * math.pi * r

print(a, b)

Buggy python submission (verdict: Runtime Error):
import math

r= float(input().rstrip().split(' ')

a = r * r * math

b = r * math

print(a, b)

Fixed submission:
import math

r= float(input())

a = r * r * math.pi

b = 2 * math.pi * r

print(a, b)

Buggy python submission (verdict: Runtime Error):
import math

r= float(input().rstrip().split(' ')

a = 2r * math

b = r * math

print(a, b)

Fixed submission:
import math

r= float(input())

a = r * r * math.pi

b = 2 * math.pi * r

print(a, b)

Buggy python submission (verdict: Runtime Error):
import math

r= float(input().rstrip().split(' ')

a = 2r * math.PI

b = r * math.PI

print(a, b)

Fixed submission:
import math

r= float(input())

a = r * r * math.pi

b = 2 * math.pi * r

print(a, b)

Buggy python submission (verdict: Runtime Error):
import math

r= float(input().rstrip().split(' ')

a = 2r * math.pi

b = r * math.pi

print(a, b)

Fixed submission:
import math

r= float(input())

a = r * r * math.pi

b = 2 * math.pi * r

print(a, b)

Buggy python submission (verdict: Runtime Error):
import math

r= float(input().rstrip().split(' ')

a = 2r * math.PI

b = r * math.PI

print(a, b)

Fixed submission:
import math

r= float(input())

a = r * r * math.pi

b = 2 * math.pi * r

print(a, b)

Buggy python submission (verdict: Runtime Error):
import math

r= float(input().rstrip().split(' ')

a = r * 2math.PI

b = r * math.PI

print(a, b)

Fixed submission:
import math

r= float(input())

a = r * r * math.pi

b = 2 * math.pi * r

print(a, b)

Buggy python submission (verdict: Runtime Error):
import math

r= float(input().rstrip().split(' ')

a = r * pi

b = r * pi

print(a, b)

Fixed submission:
import math

r= float(input())

a = r * r * math.pi

b = 2 * math.pi * r

print(a, b)

Buggy python submission (verdict: Runtime Error):
import math

r= float(input().rstrip().split(' ')

a = r * 2pi

b = r * pi

print(a, b)

Fixed submission:
import math

r= float(input())

a = r * r * math.pi

b = 2 * math.pi * r

print(a, b)

Buggy python submission (verdict: Runtime Error):
import math

r= float(input().rstrip().split(' ')

a = 2 * pi * r

b = r * pi

print(a, b)

Fixed submission:
import math

r= float(input())

a = r * r * math.pi

b = 2 * math.pi * r

print(a, b)

Buggy python submission (verdict: Runtime Error):
import math

r= float(input().rstrip().split(' ')

a = 2 * pi * r

b = 2pir

print(a, b)

Fixed submission:
import math

r= float(input())

a = r * r * math.pi

b = 2 * math.pi * r

print(a, b)

Buggy python submission (verdict: Runtime Error):
import math

r= float(input().rstrip().split(' ')

a = r * r * pi

b = 2 * pi * r

print(a, b)

Fixed submission:
import math

r= float(input())

a = r * r * math.pi

b = 2 * math.pi * r

print(a, b)

Buggy python submission (verdict: Runtime Error):
import math

r= float(input())

a = r * r * pi

b = 2 * pi * r

print(a, b)

Fixed submission:
import math

r= float(input())

a = r * r * math.pi

b = 2 * math.pi * r

print(a, b)