class Test {
private:
    int g;
public:
    Test() : g(0) {
        cout << "Default constructor\n";
    }

    Test(int x) : g(x) {
        cout << "Init int\n";
    }

    Test(const Test& t) : g(t.g) {
        cout << "Init test\n";
    }

    Test(Test&& t) : g(t.g) {
        cout << "Init rvalue\n";
    }

    Test& operator=(const Test& t) {
        cout << "Copy test\n";
        g = t.g;
        return *this;
    }

    Test operator+(const Test& t) const {
        cout << "Opeartor add\n";
        return Test(g + t.g);
    }

    ~Test() {
        cout << "Destroy\n";
    }
};

Test foo(Test&& A) {
    cout << "It is foo(Test &&)\n";
    return *(new Test(-1));
}

Test& foo(const Test& A) {
    cout << "It is foo(const Test &)\n";
    return *(new Test(-5));
}

void bar() {
    cout << "It is bar()\n";
    foo(Test(5));
    foo(Test(2) + Test(6));
    Test g = 7;
    foo(g + foo(g));
}

int main() {
    bar();
}