LoginWorking

#include <iostream>
using namespace std;

class LoginManager
{
    public:

      string PasswordAttempt1;
      string PasswordAttempt2;
      string PasswordAttempt3;
      string UsernameAttempt;
      LoginManager()
      {
          accessGranted = 0;
      }
      void Login()
      {
          USERNAME:
          cout<<"Please enter your Username and Password"<<endl;
          cout<<"Username: ";
          cin>>UsernameAttempt;
          if (UsernameAttempt==Username1)
          {
              goto Login1;
          }
          if (UsernameAttempt==Username2)
          {
              goto Login2;
          }
          if (UsernameAttempt==Username3)
          {
              goto Login3;
          }

          Login1:
          system ("clear");
          cout<<"Username: johnmichaelnebre"<<endl;
          cout<<"Password: ";
          cin>>PasswordAttempt1;
          if (PasswordAttempt1==Password1)
          {
              system ("clear");
              cout<<"Welcome to LaShoppee Mr.johnmichaelnebre"<<endl;
              goto Successful;
          }
          else
          {
              cout<<"Password does not match, Please try again"<<endl;
              goto Login1;
          }

          Login2:
          system ("clear");
          cout<<"Username: briancaguisa"<<endl;
          cout<<"Password: ";
          cin>>PasswordAttempt2;
          if (PasswordAttempt2==Password2)
          {
              system ("clear");
              cout<<"Welcome to LaShoppee Mr.briancaguisa"<<endl;
              goto Successful;
          }
          else
          {
              cout<<"Password does not match, Please try again"<<endl;
              goto Login2;
          }

          Login3:
          system ("clear");
          cout<<"Username: rosacuevas"<<endl;
          cout<<"Password: ";
          cin>>PasswordAttempt3;
          if (PasswordAttempt3==Password3)
          {
              system ("clear");
              cout<<"Welcome to LaShoppee Ms.rosacuevas"<<endl;
              goto Successful;
          }
          else
          {
              cout<<"Password does not match, Please try again"<<endl;
              goto Login3;
          }

          Successful:
          cout<<"\t\t _________________________________"<<endl;
          cout<<"\t\t|                                 |"<<endl;
          cout<<"\t\t|       Welcome to LaShoppee      |"<<endl;
          cout<<"\t\t|_________________________________|"<<endl;
          cout<<"\t\t|                                 |"<<endl;
          cout<<"\t\t| 1. Shop Now!!                   |"<<endl;
          cout<<"\t\t| 2. Whats This?                  |"<<endl;
          cout<<"\t\t| 3. Exit                         |"<<endl;
          cout<<"\t\t|_________________________________|"<<endl;
          cout<<"\t\t Enter your choice: ";

       }

    private:
      string Password1 = "1234";
      string Password2 = "5678";
      string Password3 = "9012";
      string Username1 = "johnmichaelnebre";
      string Username2 = "briancaguisa";
      string Username3 = "rosacuevas";
      bool accessGranted;

};

int main()
{
   LoginManager LoginManagerObj;
   LoginManagerObj.Login();
}