hmm

#include <cstdlib>
#include <iostream>
#include <string.h>
using namespace std;
main (void) {
   int i;
cout << "--------------------------------------------------\n";
cout << "Selamat Datang Di Form Login Pembayaran SPP ITATS \n";
cout << "--------------------------------------------------\n\n";
  int user = 007;
  int pass = 123456;
  char username[100],password[100];
  i = 1;
  char user1[5]="bayu";
  char password1[6]="admin";
     do {
      cout << "Username : "; cin.getline(username, 100);
      cout << "Password : "; cin.getline(password, 100);
       if (strcmp(username, user1)==0 && strcmp(password, password1)==0) {
         cout << "\n--------------------\n";
          cout << "Anda Berhasil Login" << endl;
         cout << "--------------------\n\n";
         char nama [100] = "Bayu Ramadhan";
         cout<<nama;
         cout<<endl;
         cout<<">>Kelas               = 1a";
         cout<<endl;
         cout<<">>Semester            = 1";
         cout<<endl;
         cout<<"\tKeterangan :\n";
         cout<<"Belum membayar spp bulan 12-2016";
         cout<<endl;
       }
       else if (strcmp(username, "bayu_ramad@gmail.com")==0 && strcmp(password, "kepodahlu")==0) {
         cout << "\n--------------------\n";
         cout << "Anda Berhasil Login" << endl;
         cout << "--------------------\n\n";
         cout<<"BAYU RAMADHAN\n";
         cout<<endl;
         cout<<">>Kelas               = 1a";
         cout<<endl;
         cout<<">>Semester            = 1";
         cout<<endl;
         cout<<"Belum membayar spp........";
         cout<<endl;

}

else {
          cout << "\n------------------------\n";
          cout << "Maaf ID & PASSWORD Salah!" << endl;
         cout << "-------------------------\n\n";
         // return username;
      }
 system ("PAUSE");
 i = i +1;
 }  while (i <= 3);

   if (i>3){
   cout << "Anda Telah 3x Memasukan ID & PASSWORD Yang Salah\n";
   cout << "Mohon Maaf Akun Anda Kami Blockir, Terima Kasih..\n";
    return awal;
   }
if (i<3){
return awal;}

return 0;}