bool CheckFileExist(TString fileName){
    gSystem->ExpandPathName(fileName);
    if (gSystem->AccessPathName(fileName.Data()) == true)
    {
        cout<<endl<<"no specified file: "<<fileName<<endl;
        return false;
    }                

    return true;
}


void RunAnalyses(int nEvents = -1, TString inFileList = "list.txt"){

   gSystem->Load("libZdc.so") ;
   gSystem->Load("libEmc.so") ;
   gSystem->Load("libMpdPhotons.so") ;
   gSystem->Load("libMpdPhysics.so") ;

   MpdAnalysisManager man("ManagerAnal", nEvents) ;
   if (!CheckFileExist(inFileList)) return;
   man.InputFileList(inFileList) ;
// man.ReadBranches("*") ; //All
   man.ReadBranches("MCTrack,TpcKalmanTrack,Vertex,MPDEvent,ZdcDigi,TOFMatching,EmcCluster,MCEventHeader") ; //for centrality, PID, EP, V0, pi0

   man.SetOutput("histos.root") ;
   
   MpdCentralityAll pCentr("pCentr","pCentr") ;
   man.AddTask(&pCentr) ;

   MpdEventPlaneAll pEP("pEP","pEP") ;
   man.AddTask(&pEP) ;

   MpdTrackPidMaker pPID("pPID","pPID") ;
   man.AddTask(&pPID) ;
   
   MpdV0Maker pV0maker("pV0maker", "pV0maker");
   man.AddTask(&pV0maker);

   MpdConvPi0 pi0T("pi0_tight", "pi0_tight");
   pi0T.FillCutEffHistos();
   man.AddTask(&pi0T);

   MpdConvPi0 pi0D("pi0_default", "pi0_default");
   pi0D.FillCutEffHistos();
   man.AddTask(&pi0D);

   MpdConvPi0 pi0L("pi0_loose", "pi0_loose");
   pi0L.FillCutEffHistos();
   man.AddTask(&pi0L);

   MpdConvPi0 pi0B("pi0_BDT", "pi0_BDT");
   man.AddTask(&pi0B);

   MpdConvPi0 pi0BR("pi0_BDTReg", "pi0_BDTReg");
   man.AddTask(&pi0BR);

   man.Process() ;

}