ADDITION OF TWO COMPLEX NUMBERS IN C++

#include<iostream.h>
#include<conio.h>
class Complex
{
 public:
  int x;
  int y;
  void getdata()
  {
   cout<<"Enter the value of x (In the format of x+iy)"<<endl;
   cin>>x;
   cout<<"Enter the value of y (In the format of x+iy ) "<<endl;
   cin>>y;
  }
  void showdata()
  {
   cout<<x<<"+"<<y<<"i";
  }
  Complex operator + (Complex);
};
  Complex Complex :: operator + ( Complex a )
  {
   Complex temp;
   temp.x=x+a.x;
   temp.y=y+a.y;
   return(temp);
  }
void main()
{
 Complex P;
 Complex Q;
 Complex R;
 clrscr();
 cout<<"Enter the first complex number"<<endl;
 P.getdata();
 cout<<"Enter the second complex number"<<endl;
 Q.getdata();
 R=P+Q;
 cout<<"1st Complex number: "<<endl;
 P.showdata();
 cout<<endl;
 cout<<"2nd Complex number: "<<endl;
 Q.showdata();
 cout<<endl;
 cout<<"Result is: "<<endl;
 R.showdata();
 getch();
}

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