执行下面程序后，输出结果是（ ）。

int main() {
    try {
        int age = -1;
        if (age < 0)
            throw age;
        cout << "A";
    } catch (const char *msg) {
        cout << "B";
    } catch (int value) {
        cout << "C" << value;
    }
    return 0;
}