Codingan C++ Membuat Login 3x Gagal

#include <iostream>
using namespace std;

main() {
    int username, password;
   int i;

cout << "Selamat Datang \n";

  int user = 12345;
  int pass = 12345;
  i = 1;
   do {
       cout << "Username : "; cin >> username;
      cout << "Password : "; cin >> password;

       if (username = user && password == pass) {
         cout << "\n--------------------\n";
          cout << "Anda Berhasil Login" << endl;
          break;
         cout << "--------------------\n\n";
      } else {
          cout << "\n------------------------\n";
          cout << "Maaf ID & PASSWORD Salah!" << endl;
         cout << "-------------------------\n\n";
         i = i +1;
      }
   }
   while (i >= 3);

   cout << "Anda Telah 3x Memasukan ID & PASSWORD Yang Salah\n";
   cout << "Mohon Maaf Akun Anda Kami Blockir, Terima Kasih..";

 
   }