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#include<iostream>
#include<math.h>
using namespace std;
class Cmycomplex
{
friend Cmycomplex operator*(double a,Cmycomplex &z);
friend int main();
private:
	double x,y;
public:
		Cmycomplex(double xx=0,double yy=0)
	{
		x=xx;
		y=yy;
	}
	void Set(double xx,double yy)
	{
		x=xx;
		y=yy;
	}
	Cmycomplex operator+(Cmycomplex &z)
	{
		Cmycomplex t;
		t.x=x+z.x;
		t.y=y+z.y;
		return t;
	}
	Cmycomplex operator-(Cmycomplex &z)
	{
		Cmycomplex t;
		t.x=x-z.x;
		t.y=y-z.y;
		return t;
	}
	Cmycomplex operator*(Cmycomplex &z)
	{
		Cmycomplex t;
		t.x=x*z.x-y*z.y;
		t.y=x*z.y+y*z.x;
		return t;
	}	
	Cmycomplex operator/(Cmycomplex &z)
	{
		Cmycomplex t;
		t.x=(x*z.x+y*z.y)/(z.x*z.x+z.y*z.y);
		t.y=((-1)*x*z.y+y*z.x)/(z.x*z.x+z.y*z.y);
		return t;
	}
	Cmycomplex sqrt()
	{
		Cmycomplex t;
		t.x=pow((x+pow(x*x+y*y,0.5))/2,0.5);
		t.y=y/pow(2*x+2*pow(x*x+y*y,0.5),0.5);
		return t;
	}
	void Show()
	{
		if(y>0)
		printf("(%.2lf+%.2lfi)",x,y);
		if(y=0)
		printf("(%.2lf+%.2lfi)",x,y);
		if(y<0)
		printf("(%.2lf-%.2lfi)",x,-y);
	}
};
Cmycomplex operator*(double a,Cmycomplex &z)
{
	Cmycomplex t;
	t.x=a*z.x;
	t.y=a*z.y;
	return t;
}
int main ()
{
	double a,b,c,d,e,f;
	cin>>a>>b;
	cin>>c>>d;
	cin>>e>>f;
	Cmycomplex z1(a,b),z2(c,d),z3(e,f),z4,z5,z6,z7,z8,w1,w2,w3,w4,w5;
	z6=z2*z2;
	z7=4*z1;
	z8=z7*z3;
	z4=z6-z8;
	w1=(-1)*z2;
	w2=z4.sqrt();
	w3=w1+w2;
	w4=0.5*w3;
	w5=w4/z1;
	w5.Show();
	return 0;
}