void choiceSelect()
{
    int choice;
    char exitconfirm[100];
    printmenu();
    cin >> choice;
 
    if (isdigit(choice))
    {
        if (choice == 7)
        {
            cout << "Exiting program. Enter yes to confirm.\n";
            cin.ignore();
            cin.getline (exitconfirm, 100, '\n');
            if (strcmp ("yes", exitconfirm) == 0)
            {
                exit (1);            
            }  
            else
            {
                choiceSelect();
            }
        }    
 
 
        while (choice != 7)
        {
        if (choice == 1)
            cout << "1";
        else if (choice == 2)
            cout << "2";
        else if (choice == 3)
            cout << "3";
        else if (choice == 4)
            cout << "4";
        else if (choice == 5)
            cout << "5";
        else if (choice == 6)
            cout << "6";
        else
            choiceSelect();
        } 
    }  
 
    else
    {
        cout <<"error!!!";
        cin.ignore();
        choiceSelect();
    }
}