#include<bits/stdc++.h>

#define INF 1000010000
#define nl '\n'
#define pb push_back
#define ppb pop_back
#define mp make_pair
#define fi first
#define se second
#define pii pair<int,int>
#define pdd pair<double,double>
#define all(c) (c).begin(), (c).end()
#define SORT(c) sort(all(c))
#define rep(i,n) for( int i = 0; i < n; ++i )
#define repi(i,n) for( int i = 1 ; i <= n; ++i )
#define repn(i,n) for( int i = n - 1 ; i >= 0 ; --i )
#define repf(j,i,n) for( int j = i ; j < n ; ++j )
#define die(s) {std::cout << s << nl;}
#define dier(s) {std::cout << s; return 0;}
#define vi vector<int>
typedef long long ll;

using namespace std;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.precision(3);
    cout.setf(ios::fixed);
    double x , y , x1 , y1 , x2 , y2 , x3 , y3 , r;
    while(cin >> x1 >> y1 >> x2 >> y2 >> x3 >> y3){
        stringstream str;
        str.precision(3);
        str.setf(ios::fixed);
        x=((y3-y2)/2+(x1-x3)*(x1+x3)/2/(y1-y3)-(x1-x2)*(x1+x2)/2/(y1-y2))/((x1-x3)/(y1-y3)-(x1-x2)/(y1-y2));
                y=((x3-x2)/2+(y1-y3)*(y1+y3)/2/(x1-x3)-(y1-y2)*(y1+y2)/2/(x1-x2))/((y1-y3)/(x1-x3)-(y1-y2)/(x1-x2));
        if(x1==x2)  y = (y1 + y2) / 2;
                if(x1==x3)  y = (y1 + y3) / 2;
                if(y1==y2)  x = (x1 + x2) / 2;
                if(y1==y3)  x = (x1 + x3) / 2;
        r = sqrt((x - x1)*(x - x1) + (y - y1)*(y - y1));
        if(fabs(x)!=0.) str << "(";
        str << "x";
        if(fabs(x)!=0.){
            if(x >= 0) str << " - ";
                else str << " + ";
            str << fabs(x) << ")";
        }
        str << "^2 + ";
        if(fabs(y)!=0.) str << "(";
        str << "y";
        if(fabs(y)!=0.){
            if(y >= 0) str << " - ";
                else str << " + ";
            str << fabs(y) << ")";
        }
        str << "^2 = " << r << "^2" << nl;

        str << "x^2 + y^2 ";
        if(x != 0.){
            if(x<0) str << "+ ";
                else str << "- ";
            str << fabs(x*2) << "x ";
        }
        if(y != 0.){
            if(y<0) str << "+ ";
                else str << "- ";
            str << fabs(y*2) << "y ";
        }
        if(x*2,y*2,x*x+y*y-r*r != 0.){
            if(x*2,y*2,x*x+y*y-r*r>0) str << "+ ";
                else str << "- ";
            str << fabs(x*x+y*y-r*r) << " ";
        }
        str << "= 0" << nl << nl;
        string ans = str.str();

        cout << ans;
    }
    return 0;
}