#include <string.h>
#include <stdio.h>
#include <iostream>
#include <string>

class person
{
private:
    char *name;
    char *vorname;
public:
    person(char *n) { name = n; }
    void setVorname(char* vn) { vorname = vn; }
    char * getVorname() {return vorname;}
    char *getName() { return name; }
    void print()
    {
                    if (vorname != 0)
                    {
                        std::cout << vorname << " " << name << std::endl;
                    }
                    else
                    {
                        std::cout << name << std::endl;
                    }
    }
};

int main()
{
    person erster("Parol");
    erster.setVorname("John");
    erster.print();
    return 0;
}