ADDITION OF TWO COMPLEX NUMBERS USING FRIEND FUNCTION IN C++

#include<iostream.h>
#include<conio.h>
class Complex
{
 public:
 int r;
 int im;
 Complex()
 {
  r=0;
  im=0;
 }
 void get();
 void show();
 friend Complex operator + (Complex &a, Complex &b);
};
void Complex :: get()
{
 cout<<"Enter the value of x and y in the form of x + iy "<<endl;
 cin>>r>>im;
}
void Complex :: show()
{
 cout<<r<<" + "<<im<<"i"<<endl;
}
Complex operator + (Complex &ob1,Complex &ob2)
{
 Complex temp1;
 temp1.r=ob1.r + ob2.r;
 temp1.im=ob1.im + ob2.im;
 return(temp1);
}
void main()
{
 Complex c1,c2,c3;
 c1.get();
 c2.get();
 c3=c1+c2;
 c3.show();
 getch();
}

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