#include <iostream>
using namespace std;
class Complex
{
private:
	float real;
	int imag;
public:
	Complex() : real(0), imag(0){ }
	void input()
	{
		
		cin >> real;
		cin >> imag;
	}
	Complex operator - (Complex c2)    /* Operator Function */
	{
		Complex temp;
		temp.real = real - c2.real;
		temp.imag = imag - c2.imag;
		return temp;
	}
	Complex operator + (Complex c2)    /* Operator Function */
	{
		Complex temp;
		temp.real = real + c2.real;
		temp.imag = imag + c2.imag;
		return temp;
	}
	void output()
	{
		
			cout << "Output  number: " << real <<"  "<< imag << endl;
		
	}
};
int main()
{
	Complex c1, c2, result;
	cout << "Enter first  numbers:\n";
	c1.input();
	cout << "Enter second  numbers:\n";
	c2.input();
	result = c1 - c2; /* c2 is furnised as an argument to the operator function. */
	result.output();
	//sum
	result = c1 +c2; /* c2 is furnised as an argument to the operator function. */
	result.output();
	return 0;
}