#include <iostream>

using namespace std;

struct myshot{
private:
	int a;
	int b;
public:
	myshot(){}
	myshot(int a1, int b1)
	{
		a = a1;
		b = b1;
	}
	int getA()
	{
		return a;
	}
	int getB()
	{
		return b;
	}
};

myshot operator+(myshot a, myshot b)
{
	int newA = a.getA() * b.getB() + a.getB() * b.getA();
	int newB = a.getB() * b.getB();
	return myshot(newA, newB);
}
myshot operator-(myshot a, myshot b)
{
	int newA = a.getA() * b.getB() - a.getB() * b.getA();
	int newB = a.getB() * b.getB();
	return myshot(newA, newB);
}
myshot operator*(myshot a, myshot b)
{
	int newA = a.getA() * b.getA();
	int newB = b.getB() * b.getB();
	return myshot(newA, newB);
}
int main()
{
	myshot a(1, 2);
	myshot b(2, 3);

	myshot c;
	c = a + b;
	cout << c.getA() << c.getB();
}