#include <iostream>

class A
{
public:
	int x;
	A(int x)
	: x(x)
	{
	}
};

struct B
{
	int x;
	B(int x)
	: x(x)
	{
	}
};

int main()
{
	A a (1);
	B b (2);
	std::cout << a.x << std::endl << b.x << std::endl;
}