#include <iostream>

 #include<cstdio>

 #include<cstring>

 #include<algorithm>

 #include<stdlib.h>

 #include<vector>

 #include<cmath>

 #include<queue>

 #include<set>

 using namespace std;

 #define N 100000

 #define LL long long

 #define INF 0xfffffff

 const double eps = 1e-;

 const double pi = acos(-1.0);

 const double inf = ~0u>>;

 struct Point

 {

     double x,y;

     Point (double x=,double y =):x(x),y(y){}

 }p[];

 struct Circle

 {

     Point center;

     double r;

 };

 typedef Point pointt;

 pointt operator - (Point a,Point b)

 {

     return Point(a.x-b.x,a.y-b.y);

 }

 int dcmp(double x)

 {

     if(fabs(x)<eps) return ;

     return x<?-:;

 }

 double dis(Point a)

 {

     return a.x*a.x+a.y*a.y;

 }

 double cross(Point a,Point b)

 {

     return a.x*b.y-a.y*b.x;

 }

 double area()

 {

     return fabs(cross(p[]-p[],p[]-p[]))/;

 }

 struct Circle Circumcircle()

 {

     Circle tmp;

     double a,b,c,c1,c2;

     double xa,ya,xb,yb,xc,yc;

     a = sqrt(dis(p[]-p[]));

     b = sqrt(dis(p[]-p[]));

     c = sqrt(dis(p[]-p[]));

     //根据s = a*b*c/R/4，求半径

     tmp.r = (a*b*c)/(area()*4.0);

     xa = p[].x;

     ya = p[].y;

     xb = p[].x;

     yb = p[].y;

     xc = p[].x;

     yc = p[].y;

     c1 = (dis(p[])-dis(p[]))/;

     c2 = (dis(p[])-dis(p[]))/;

     tmp.center.x = (c1*(ya-yc)-c2*(ya-yb))/((xa-xb)*(ya-yc)-(xa-xc)*(ya-yb));

     tmp.center.y = (c1*(xa-xc)-c2*(xa-xb))/((ya-yb)*(xa-xc)-(ya-yc)*(xa-xb));

     return tmp;

 }

 int main()

 {

     while(scanf("%lf%lf%lf%lf%lf%lf",&p[].x,&p[].y,&p[].x,&p[].y,&p[].x,&p[].y)!=EOF)

     {

         Circle cc = Circumcircle();

         double r = cc.r;

         char c1,c2;

         c1 = dcmp(cc.center.x)>?'-':'+';

         c2 = dcmp(cc.center.y)>?'-':'+';

         printf("(x %c %.3f)^2 + (y %c %.3f)^2 = %.3f^2\n",c1,fabs(cc.center.x),c2,fabs(cc.center.y),r);

         double s = r*r-cc.center.x*cc.center.x-cc.center.y*cc.center.y;

         char c3 = dcmp(s)>?'-':'+';

         printf("x^2 + y^2 %c %.3fx %c %.3fy %c %.3f = 0\n",c1,fabs(cc.center.x*),c2,fabs(cc.center.y*),c3,fabs(s));

         puts("");

     }

     return ;

 }