#include <iostream>
#include "string"
using namespace std;

class vehicle
{
public:
    int maxprobeg;
    void set_maxprobeg(int maxp)
    {
        cout << "write max probeg please (kilometers)" << endl;
        cin >> maxp;
        maxprobeg = maxp;
    }
    int get_maxprobeg()
    {
        return maxprobeg;
    }
    int maxbak;
    void set_maxbak(int maxb)
    {
        cout << "write max bak please (liters)" << endl;
        cin >> maxb;
        maxbak = maxb;
    }
    int get_maxbak()
    {
        return maxbak;
    }
};
class truck : public vehicle
{

private:

string tru;

public:

trailer()

{

tru = "Mercedes-Benz Actros 3341 K"

    }
    void show_ch()
    {
        if ((get_maxprobeg() > 0) && (get_maxprobeg() < 1000000) && (get_maxbak() > 0) && (get_maxbak() < 100))
        {
            cout << "max probeg of truck" << tru << " = " << get_maxprobeg() << " km" << " Max bak of truck" << tru << " = " << get_maxbak() << " liters" << endl;
        }
        else
        {
            cout << "add info please" << endl;
        }
    }
};
class trailer : public vehicle
{
public:
   {

private:

string tra;

public: trailer()
{
tra = "Isuzu Elf 2000"
    }
    void show_ch()
    {
        if ((get_maxprobeg() > 0) && (get_maxprobeg() < 1000000) && (get_maxbak() > 0) && (get_maxbak() < 100))
        {
            cout << "max probeg of trailer " << tra << " = " << get_maxprobeg() << " rubles" << " Max bak of trailer " << tra << " = " << get_maxbak() << " years" << endl;
        }
        else
        {
            cout << "add info please" << endl;
        }
    }
};
int main()
{
    truck t1;
    trailer t2;
    int control = 0;
    while (control != 4)
    {
        cout << "press 1 to add characteristics" << endl;
        cout << "press 2 to show information" << endl;
        cout << "press 3 to change information" << endl;
        cout << "press 4 to exit" << endl;
        cin >> control;
        if (control == 1)
        {
            t1.title();
            t1.set_maxprobeg(1);
            t1.set_maxbak(1);
            t2.title();
            t2.set_maxprobeg(1);
            t2.set_maxbak(1);
        }
        if (control == 2)
        {
            t1.show_ch();
            t2.show_ch();
        }
        if (control == 3)
        {
            int menu = 0;
            while (menu != 3)
            {
                cout << "press 1 to change truck characteristics" << endl;
                cout << "press 2 to change trailer characteristics" << endl;
                cout << "press 3 to exit" << endl;
                cin >> menu;
                if (menu == 1)
                {
                    t1.title();
                    t1.set_maxprobeg(1);
                    t1.set_maxbak(1);
                }
                if (menu == 2)
                {
                    t2.title();
                    t2.set_maxprobeg(1);
                    t2.set_maxbak(1);
                }
            }
        }
    }
    return 0;
}