#include <iostream>

using namespace std;

int main()
{
    string raspuns2,joaca;
    int rasp,rasp2,rasp3;
    cout<<"                                                     Triviador"<<endl;
    cout<<endl;
    cout<<endl;
    cout<<"Instructiuni: Scrieti raspunsul corect in casuta"<<endl;
    cout<<"Joaca DA/NU"<<endl;
    cin>>joaca;
    if(joaca=="DA")
    {
        cout<<"In ce an s-a semnat declaratia de independenta?"<<endl;
        cin>>rasp;
        if(rasp==1776)
        {
            cout<<"Corect!"<<endl;
            cout<<"Cine a intocmit aceasta declaratie?"<<endl;
            cin>>raspuns2;
            if(raspuns2=="Jefferson")
            {
               cout<<"Corect!"<<endl;
               cout<<"In ce an a fost cucerit Constatinopulul de Mehmet I?"<<endl;
               cin>>rasp2;
                    if(rasp2==1492)
                   {
                       cout<<"Corect!"<<endl;
                       cout<<"In ce an s-a terminat WWI?"<<endl;
                       cin>>rasp3;
                       if(rasp3==1918)
                       {
                           cout<<"Corect!"<<endl;
                           cout<<endl;
                           cout<<endl;
                           cout<<"Felicitari!Esti un istoric batran!";
                       }else
                       {
                    cout<<"Gresit!Reincepe jocul!";
            return 0;
                       }
                       }
               else
               {
                   cout<<"Gresit!Reincepe jocul!";
            return 0;
               }
            }

            else
            {
               cout<<"Gresit!Reincepe jocul!";
            return 0;
            }

        }
        else
        {
            cout<<"Gresit!Reincepe jocul!";
            return 0;
        }
}
    else
    {
        cout<<"OK";
    }

    return 0;
}