CREDIT CARD

#include <iostream>
#include <windows.h>

using namespace std;

int main()
{
    system("CLS");
    system("COLOR 5");
    system("TITLE NITA E UN PRIETEN BUN");

    string username, password;
    string usernameVER="15975324861379", passVER="5791";
    string cmd;

    /// LOGIN
    cout << "   Enter your credit's card data below\n\nCredit Card Series: "; cin >> username;
    cout << "\nPin: "; cin >> password;

    /// ACCOUT VERIFICATION
    while(true)
    {
        while(username==usernameVER && password==passVER)
        {
            cout << usernameVER <<"@admin: ";
            cin >> cmd;
            if(cmd=="/help")
            {
                cout << "\n   This is a list of available commands:";
            }

        } else {
            system("CLS");
            cout << "\n   Your Credit Card Series or Pin is wrong... try again!";

            /// LOGIN
            cout << "\n\nCredit Card Series: "; cin >> username;
            cout << "\nPin: "; cin >> password;
        }
    }
}