#include <iostream>
using namespace std;

class MyClass {
	int x;
public:
	MyClass(int a) { x = a; };
	void method(MyClass &m);
};

void MyClass::method(MyClass &m){
	cout << "self.x = " << x << "; m.x = " << m.x << endl;
}

int main() {
	MyClass o1(5);
	MyClass o2(10);
	
	o1.method(o2);
	o2.method(o1);
	
	return 0;
}