#include <iostream>

class Hello {
protected:
private:
public:
    Hello(char *str) {
        std::cout << "Hi, World!" << std::endl;
        if(str) {
            std::cout << "Execution command: " << str << std::endl;
        }
    }

    void Lol(int n) {
        std::cout << ":( " << n << std::endl;
    }
};

int main(int argc, char **argv) {
    Hello *world = new Hello(argv[0]);
    {
        int i = 5;
        world->Lol(i);
    }
    return 0;
}