#include <iostream>
#include <string>
#include <vector>

using namespace std;

class Man;
class Database;

class Man {
private:
    string name, surname;
    int age;
    Man* partner;
    vector<Man*> kids;
    Man* par1;
    Man* par2;
    Database* db;
    Man(string name_, string surname_, Man* par1_, Man* par2_, Database* db_ = nullptr) {
        name = name_;
        surname = surname_;
        age = 0;
        partner = nullptr;
        db = db_;
        if (db != nullptr) {
            db->addMan(this);
        }
        par1 = par1_;
        par2 = par2_;
    }
public:
    Man() :name("undefined"), surname("undefined"), age(-1), partner(nullptr), db(nullptr), par1(nullptr), par2(nullptr) {}
    Man(string name_, string surname_, int age_,
        Man* partner_ = nullptr, Database* db_ = nullptr,
        Man* par1_ = nullptr, Man* par2_ = nullptr) :
        name(name_), surname(surname_), age(age_),
        partner(partner_), par1(par1_), par2(par2_) {
        if (db_ != nullptr) {
            db = db_;
            db->addMan(this);
        }
    }
    ~Man() {
        if (partner != nullptr) {
            partner->delPartner();
        }
        if (db != nullptr) {
            db->delMan(this);
        }
        if (par1) {
            par1->delKid(this);
        }
        if (par2) {
            par2->delKid(this);
        }
    }
    void giveBirth(string name_) {
        Man* kid = new Man(name_, surname, this, partner, db);
        kids.push_back(kid);
        if (partner != nullptr) {
            partner->addKid(kid, this);
        }
    }
    void addKid(Man* kid, Man* kid_partner) {
        if (partner == kid_partner) {
            kids.push_back(kid);
        }
    }
    void delPartner() {
        partner = nullptr;
    }
    string getName() {
        return name;
    }
    string getSurname() {
        return surname;
    }
    void delKid(Man* kid) {
        for (size_t i = 0; i < kids.size(); ++i) {
            if (kids[i] == kid) {
                kids.erase(kids.begin() + i);
                break;
            }
        }
    }
    void marry(Man* p) {
        partner = p;
        p->setPartner(this);
    }
    void setPartner(Man* p) {
        partner = p;
    }
};

class Database {
private:
    vector<Man*> people;
public:
    Man* findByName(const string& name, const string& surname) {
        for (size_t i = 0; i < people.size(); ++i) {
            if (people[i]->getName() == name && people[i]->getSurname() == surname) {
                return people[i];
            }
        }
    }
    void addMan(Man* man) {
        people.push_back(man);
    }
    void delMan(Man* man) {
        for (size_t i = 0; i < people.size(); ++i) {
            if (people[i] == man) {
                people.erase(people.begin() + i);
                break;
            }
        }
    }
};

int main() {

}