COMPLEX NUMBERS

#include<iostream>
using namespace std;
class complex
{
float x,y;
public:
complex()
{}
complex(float real,float imag)
{
x=real;
y=imag;
}
complex operator+(complex);
void display()
{
cout<<x<<"+j"<<y<<"\n";
}
};
complex complex :: operator+(complex c )
{
complex temp;
temp.x=x+c.x;
temp.y=y+c.y;
return(temp);
}
int main()
{
complex c1,c2,c3;
c1=complex(2.5,2.7);
c2=complex(1.6,5.5);
c3=c1+c2;
cout<<"c1=";
c1.display();
cout<<"c2=";
c2.display();
cout<<"c3=";
c3.display();
return 0;
}