Организовать список

#include <iostream>
#include <string>
#include <vector>
 
class listing
{
    public:
        listing(){};
        listing(std::string x, std::string y, std::string z): name(x), surname(y), patronymic(z){}
        void fullprint(){std::cout<< surname<< " "<< name<< " "<< patronymic<< std::endl;}
        void shortprint(){std::cout<< surname<< " "<< name[0]<< ". "<< patronymic[0]<< "."<< std::endl;}
    private:
        std::string name, surname, patronymic;
};
 
int main()
{
    std::vector <listing> v;
    std::vector <listing>::iterator cur;
    std::string s1, s2, s3;
    std::cout<< "Type stop to break\n";
    while(true)
    {
        std::cin>>s1;
        if (s1 == "stop") break;
        std::cin>>s2;
        if (s2 == "stop") break;
        std::cin>>s3;
        if (s3 == "stop") break;        
        listing l(s1, s2, s3);
        v.push_back(l);
    }
    std::cout<< "Long name:"<< std::endl;
    for (cur = v.begin(); cur != v.end(); cur++)
        cur->fullprint();
    std::cout<< "Short name:"<< std::endl;
    for (cur = v.begin(); cur != v.end(); cur++)
        cur->shortprint();
    return 0;
}