#include <exception>
#include <iostream>
#include <string>
class CCoolException : public std::exception{
public:
    explicit CCoolException(const char* _description): description(_description){}
    ~CCoolException(){std::cout << "~CCoolException" << std::endl;}
    virtual char const* what() const override { return description.c_str();}
private:
    std::string description;

};

void f (){
    throw CCoolException("That's cool");
}
void g() {
    throw std::exception("Not cool");
}

int main(){
    try{
        f();
        g();
    } catch (std::exception& e) {
        std::cout << e.what() << std::endl;
        return 1;
    } catch  (...){
        std::cout << "Three dots" << std::endl;
        return 1;
    }
    return 0;
}