#include<iostream>
#include<time.h>
using namespace std;

class C
{
	friend bool operator==(C lValue, C rValue );
	friend bool operator==(C lValue, int rValue );
	friend ostream& operator<<(ostream& output, const C& c);
	friend istream& operator>>(istream& input, const C& c);
	friend C operator+(C lValue, C rValue );
	
	public:
		C():x(0){}
		C(int i):x(i){}
		C& operator++();
		C operator++(int junk);
	private:
		int x;
};

bool operator==(C lValue, C rValue )
{
	return ( lValue.x == rValue.x );
}

bool operator==(C lValue, int rValue )
{
	return ( lValue.x == rValue );
}

ostream& operator<<(ostream& output, const C& c)
{
	output << c.x;
	return output;
}

istream& operator>>(istream& input, const C& c)
{
	input >> c.x;
	return input;
}

C& C::operator++()
{
	x++;
	return *this;
}

C C::operator++(int junk)
{
	C result = *this;
	x++;
	return result;
}

C operator+(C lValue, C rValue )
{
	C result(lValue.x + rValue.x);
	return result;
}

void main()
{


}