Password Storer (Half Done!)

#include <iostream>
#include <windows.h>
#include <stdlib.h>
#include <fstream>
#include <string>

using namespace std;

int main()
{
    string UserName, Pass, Website, A, B, C, D, E, F;
    int pin;
    int pinguess;
    fstream MyPin("C:/Windows/System32/MyPin.txt");
    MyPin >> pin;
    if(pin == 0){goto NewPin;};
    cout << "What is your PIN?\n";
    cin >> pinguess;
    if(pinguess == pin)
    {
    Start:
    fstream MyFile_op("C:/Windows/System32/LoginDetails.txt");
    cout << "Numpad 1 stores a username and password, Numpad 2 will read them and print them for you :D \n";
    while(1)
    {
            if(GetAsyncKeyState(VK_NUMPAD1)){
                                             system("PAUSE");
                                             goto Store;
                                             }
            if(GetAsyncKeyState(VK_NUMPAD2)){
                                             system("PAUSE");
                                             goto Fetch;
                                             }
    }
    Store:
             cout << "What website is this for homie?\n";
             cin >> Website;
             cout << "What is your username?\n";
             cin >> UserName;
             cout << "What is your password?\n";
             cin >> Pass;
                 MyFile_op << "Website: " << Website << "\nUsername: " << UserName << "\nPassword: " << Pass;
                 goto end;
    Fetch:
          MyFile_op >> A;
          MyFile_op >> B;
          MyFile_op >> C;
          MyFile_op >> D;
          MyFile_op >> E;
          MyFile_op >> F;
          cout << A << " " << B << endl << C << " " << D << endl << E << " " << F << endl;
          system("PAUSE");
          goto end;
}
    NewPin:
           cout << "Enter a PIN that is any amount long!";
           cin >> pin;
           MyPin << pin;
           goto Start;
           end:
    return 0;    
}