#include <iostream>

int main() {
    std::cout << std::boolalpha;
    std::cout << "false = " << false << std::endl;
    std::cout << "true = " << true << std::endl;
    std::cout << std::noboolalpha;
    std::cout << "false = " << false << std::endl;
    std::cout << "true = " << true << std::endl;
}