#include <iostream>
using namespace std;

class A {
public:
	int i;
	double d;
};

void print(A* a){
	cout << a->i << endl;
	cout << a->d << endl;
}

int main(){
	char ca[200];
	char* p = ca;
	p += 9;
	((A*)p)->i = 10;
	((A*)p)->d = 12.3;
	print((A*)p);
}