// #define VERBOSEARGS
// simrun.C
{
  // extract the run and event variables given with --run <x> --event <y>
  int nrun = 0;
  int nevent = 0;
  int seed = 0;
  char sseed[1024];
  char srun[1024];
  char sevent[1024];
  sprintf(srun,"");
  sprintf(sevent,"");
  for (int i=0; i< gApplication->Argc();i++){
#ifdef VERBOSEARGS
    printf("Arg %d:  %s\n",i,gApplication->Argv(i));
#endif
    if (!(strcmp(gApplication->Argv(i),"--run")))
      nrun = atoi(gApplication->Argv(i+1));
      sprintf(srun,"%d",nrun);
    if (!(strcmp(gApplication->Argv(i),"--event")))
      nevent = atoi(gApplication->Argv(i+1));
      sprintf(sevent,"%d",nevent);
  }

  seed = nrun * 100000 + nevent;
  sprintf(sseed,"%d",seed);

  if (seed==0) {
    fprintf(stderr,"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n");
    fprintf(stderr,"!!!!  WARNING! Seeding variable for MC is 0          !!!!\n");
    fprintf(stderr,"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n");
  } else {
    fprintf(stdout,"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n");
    fprintf(stdout,"!!!  MC Seed is %d \n",seed);
    fprintf(stdout,"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n");
  }

  // set the seed environment variable
  gSystem->Setenv("CONFIG_SEED",sseed);
  gSystem->Setenv("DC_RUN",srun);
  gSystem->Setenv("DC_EVENT",sevent);
  gSystem->Setenv("ALIMDC_RAWDB1","./mdc1");
  gSystem->Setenv("ALIMDC_RAWDB2","./mdc2");
  gSystem->Setenv("ALIMDC_TAGDB","./mdc1/tag");
  gSystem->Setenv("ALIMDC_RUNDB","./mdc1/meta");
  gSystem->Exec("aliroot -b -q sim.C > sim.log 2>&1");
  gSystem->Exec("mv syswatch.log simwatch.log");
  gSystem->Exec("aliroot -b -q rec.C > rec.log 2>&1");
  gSystem->Exec("mv syswatch.log recwatch.log");
  gSystem->Exec("aliroot -b -q tag.C > tag.log 2>&1");
  gSystem->Exec("aliroot -b -q $ALICE_ROOT/STEER/CheckESD.C > check.log 2>&1");
  gSystem->Exec("aliroot -b -q $ALICE_ROOT/STEER/CreateAODfromESD.C  > aod.log 2>&1");
}