Begin 1

print(int(input())*4)

Begin 2

print(int(input())**2)

Begin 3

a=int(input())
b=int(input())
S=a*b
P=2*(a+b)
print(f"{S} \n{P}")

Begin 4

print(int(input())*3.14)

Begin 5

a=int(input())
v=a**3
s=6*(a**2)
print(f"{v} \n{s}")

Begin 6

a=int(input())
b=int(input())
c=int(input())
print(a*b*c)
print(2*(a*b+b*c+a*c))

Begin 7

a=int(input())
print(a*2*3.14)
print(3.14*(a**2))

Begin 8

a=int(input())
b=int(input())
print((a+b)/2)

Begin 9

a=int(input())
b=int(input())
print((a*b)**(1/2))

Begin 11

a=int(input())
b=int(input())
print(abs(a)+abs(b))
print(abs(a)-abs(b))
print(abs(a)*abs(b))
print(abs(a)/abs(b))

Begin 12

a=int(input())
b=int(input())
c=(a**2+b**2)**(1/2)
print(c)
print(a+b+c)

Begin 13

r1=int(input())
r2=int(input())
s1=3.14*(r1**2)
s2=3.14*(r2**2)
s3=abs(s1-s2)
print(f"{s1} \n{s2} \n{s3}")

Begin 14

l=int(input())
r=l/(2*3.14)
s=3.14*(r**2)
print(f"{r} \n{s}")
Begin 15

s=int(input())
r=(s/3.14)**(1/2)
d=2*r
print(f"{d} \n{r}")

Begin 16

a=int(input())
b=int(input())
print(abs(b-a))

Begin 17

A = int(input())
B = int(input())
C = int(input())
print(abs(C - A) + abs(C - B))

Begin 18

A = int(input())
B = int(input())
C = int(input())
print(abs(C - A) * abs(C - B))

Begin 19

x1=int(input())
y1=int(input())
x2=int(input())
y2=int(input())
a = abs(x2 - x1)
b = abs(y2 - y1)
P = 2 * (a + b)
S = a * b
print(P)
print(S)

Begin 20

import math

def masofa_topish(x1, y1, x2, y2):
    masofa = math.sqrt((x2 - x1)**2 + (y2 - y1)**2)
    return masofa

# Test qismi
x1 = int(input())
y1 = int(input())
x2 = int(input())
y2 = int(input())

masofa = masofa_topish(x1, y1, x2, y2)
print(masofa)

Begin 21

a=int(input())
b=int(input())
print(f"{b} \n{a}")

Begin 22

a=int(input())
b=int(input())
print(f"{b} \n{a}")

Begin 23

a=int(input())
b=int(input())
c=int(input())
print(f"{b} \n{c} \n{a}")

Begin 24

a=int(input())
b=int(input())
c=int(input())
print(f"{c} \n{a} \n{b}")

Begin 25

x=int(input())
y=3*(x**6)-6*(x**2)-7
print(y)

Begin 26

x=int(input())
y=4*((x-3)**6)-7*((x-3)**3)+2
print(y)

Begin 27

a=int(input())
a2=a**2
a4=a**4
a8=a**8
print(f"{a2} \n{a4} \n{a8}")

Begin 28

a=int(input())
print(a**2)
print(a**3)
print(a**5)
print(a**10)
print(a**15)

Begin 30

a=int(input())
print((a*180)/3.14)

Begin 36

V1=int(input())
V2=int(input())
S=int(input())
T=int(input())
print(S+(V1*T)+(V2*T))

Begin 37

V1=int(input())
V2=int(input())
S=int(input())
T=int(input())
print(S-(V1*T)-(V2*T))

Begin 38

a=int(input())
b=int(input())
print(((-1)*b)/a)

Begin 39

import math
A = float(input())
B = float(input())
C = float(input())
D = B**2 - 4*A*C
if D >= 0:
    x1 = (-B + math.sqrt(D)) / (2*A)
    x2 = (-B - math.sqrt(D)) / (2*A)
    if x1 < x2:
        print(round(x1, 1))
        print(round(x2, 1))
    else:
        print(round(x2, 1))
        print(round(x1, 1))
else:
  pass

Begin 40

A1=int(input())
B1=int(input())
C1=int(input())
A2=int(input())
B2=int(input())
C2=int(input())
D=A1*B2-A2*B1
x=(C1*B2-C2*B1)/D
y=(A1*C2-A2*C1)/D
print(f"{x} \n{y}")