{
TFile*file=new TFile("test.root");

TH1F*etSum=(TH1F*)file->Get("EtSum");
TList*listOfFun=etSum->GetListOfFunctions();
TF1*fun2rew=(TF1*)listOfFun->At(0);
cout<<fun2rew->Eval(59)<<endl;
cout<<fun2rew->Eval(61)<<endl;
}