#include<iostream>
using namespace std;
class complex
{
double real;
double imag;
public:
complex operator–()  // for postfix decrement complex operator–(int)
{
real–;
imag–;
complex temp;
temp.real=real;
temp.imag=imag;
return temp;
}
void display()
{
cout<<“(“<<real<<“,”<<imag<<“)”<<endl;
}
void set()
{
cout<<“Enter real: “<<endl;
cin>>real;
cout<<“Enter imag: “<<endl;
cin>>imag;
}
};
int main()
{
complex c1;
c1.set();
–c1;  // for post fix decremet c1 – -;
c1.display();
system(” pause”);
}

<—-End—->

Enter real:

4

Enter imag:

5

(3 , 4)