-- coding:utf-8 --

(1)
x1=float(raw_input())
y1=float(raw_input())
x2=float(raw_input())
y2=float(raw_input())
x3=float(raw_input())
y3=float(raw_input())
a=((y1-y2)(x2-x3)-(y2-y3)(x1-x2))/((x1**2-x2**2)*(x2-x3)-(x2**2-x3**2)*(x1-x2))
b=((y1**2-y2**2)*(x2**2-x3**2)-(y2**2-y3**2)*(x1**2-x2**2))/((x1-x2)*(x2**2-x3**2)-(x2-x3)*(x1**2-x2**2))
u=a
v=b
c=y1-u*x1**2-v*x1
print a,b,c

(2)
x1=float(raw_input())
y1=float(raw_input())
x2=float(raw_input())
y2=float(raw_input())
y1'=float(raw_input())
a=(yi-y2-x1*y1')/*(2*x1*x2-x1**2-x2**2)
u=a
b=y1'-2*u*x1
v=b
c=y1-u*x1**2-v*x1
print a,b,c

(3)
x1=float(raw_input())
y1=float(raw_input())
x2=float(raw_input())
y2=float(raw_input())
y1'=float(raw_input())
y2'=float(raw_input())
a=(y1'-y2')/2(x1-x2)
u=a
b=y1'-u*x1
v=b
c=y1-u*x1**2-v*x1
print a,b,c

(4)
x1=float(raw_input())
xmax=float(raw_input())
a1=float(raw_input())
b1=float(raw_input())
c1=float(raw_input())
y1=float(raw_input())
a2=(2*a1*x1+b1)/(2*x1-2*xmax)
u=a2
b2=-2*a2*xmax
v=b2
c2=y1-a2*x1**2-b2*x1
print a,b,c

(5)
x1=float(raw_input())
y1=float(raw_input())
a1=float(raw_input())
b1=float(raw_input())
c1=float(raw_input())
y1=float(raw_input())
xk=float(raw_input())
yk=float(raw_input())
a2=((y1-yk)-(2*a1*x1+b1)*(x1-xk))/(2*x1*xk-x1**2-xk**2)
u=a2
b2=2*a1*x1+b1-2*a2*x1
v=b
c2=y1-a2*x1**2-b2*x1
print a,b,c