write a c++ program to class complex

/*
write a c++ program to class complex
{
float real,imaginary;
public:\\method
}
overload operator '+' to add two object of that class use parameterised
constructor for accepting value of complex number
*/
#include<conio.h>
#include<iostream.h>
class complex
{
float real,imag;
public:complex(float a,float b)
       {
       real=a;
       imag=b;
       }
       void operator +(complex &c2)
       {
       float ans1,ans2;
       ans1=real+c2.real;
       ans2=imag+c2.imag;
       cout<<"\naddition of real:-"<<ans1;
       cout<<"\naddition of imaginary:-"<<ans2;
       }
       };
int main()
{
int a,b;
clrscr();
cout<<"\nenter two float number:-";
cin>>a>>b;
complex c1(a,b);
cout<<"\nenter two float number:-";
cin>>a>>b;
complex c2(a,b);
c1+c2;
getch();
return 0;
}
/*

enter two float number:-3 5

enter two float number:-8 7

addition of real:-11
addition of imaginary:-12
*/