Destructor order across scopes

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Determine the output of the following program:

struct Alpha {
    Alpha() { std::cout << "A"; }
    ~Alpha() { std::cout << "a"; }
};

struct Beta {
    Beta() { std::cout << "B"; }
    ~Beta() { std::cout << "b"; }
};

Alpha global;

int main() {
    Beta local;
}

Determine the output of the following program:

struct Alpha {
    Alpha() { std::cout << "A"; }
    ~Alpha() { std::cout << "a"; }
};

struct Beta {
    Beta() { std::cout << "B"; }
    ~Beta() { std::cout << "b"; }
};

Alpha global;

int main() {
    Beta local;
}