import std;
auto alive{true};
/*void toDeath() {*/
/*  alive = false;*/
/*}*/
auto busyUntillSleep() -> void;
auto main(int, char**) -> int {
    using namespace std::chrono_literals;
    while (alive) {
        std::this_thread::sleep_for(8.5h);
        std::println("今天真好👌啊");
        busyUntillSleep();
    }
    return -1;
}