#include <iostream>

using namespace std;

int meniu()
{ int optiune,x;
  do
  { cout<<endl;
    cout<<"1-Adaugare la inceput"<<endl;
    cout<<"2-Adaugare la sfarsit"<<endl;
    cout<<"3-Afisare"<<endl;
    cout<<"4-Stergere prim"<<endl;
    cout<<"5-Stergere ultim"<<endl;
    cout<<"0-EXIT"<<endl;
    cin>>optiune;
    swich(optiune)
    { case 1: cin>>x;
              adaugare1(prim,x);
      case 2: adaugare2(ultim,x);

    }
  }
}