{
	TString dataFile = "026690x000.DataTree.root";

	TFile ff(dataFile.Data());

	TTree* tree = (TTree*) ff.Get("DataTree");

	tree->Draw("DTEvent.fNumberOfTracks>>h1");

	TEventList* evlist = (TEventList*) gDirectory->Get("h1");

	if ( evlist != nullptr ) {
		evlist->Print();

		std::cout << "N = " << evlist->GetN() << std::endl;
	}


}