#include <iostream>


int address_of_y(int& y){
    std::cout << &y << '\n';
    return 0;
}

class Example{
    int x, y;

public:
    Example() : x(address_of_y(y)), y(10){
        std::cout << &y;
    }
};

int main(){
    Example();
    return 0;
}