{
gROOT->Reset();

TCanvas canvas("canvas", "File r0200430.root", 1000, 10, 800, 800);
TFile file("r0200430.root", "READ");
TTree *  tree = (TTree *) file.Get("h1000");
Int_t numberOfEvents, trig, arrayLenght = 48;
UInt_t sizen0, sizen1, sizen2, sizep0, sizep1, sizep2;
Float_t totalEnergy = 0.0, enen0[arrayLenght],  enen1[arrayLenght], enen2[arrayLenght],
                                         enep0[arrayLenght],  enep1[arrayLenght], enep2[arrayLenght];
TH1F histo("histo", " ;Energy;Events", 100, 50, 250);


tree->SetBranchAddress("Enen0",   enen0);
tree->SetBranchAddress("Enen1",   enen1);
tree->SetBranchAddress("Enen2",   enen2);
tree->SetBranchAddress("Enep0",   enep0;
tree->SetBranchAddress("Enep1",   enep1);
tree->SetBranchAddress("Enep2",   enep2);
tree->SetBranchAddress("Trig",      &trig);
tree->SetBranchAddress("Sizen0",  &sizen0);
tree->SetBranchAddress("Sizen1",  &sizen1);
tree->SetBranchAddress("Sizen2",  &sizen2);
tree->SetBranchAddress("Sizep0",  &sizep0);
tree->SetBranchAddress("Sizep1",  &sizep1);
tree->SetBranchAddress("Sizep2",  &sizep2);


numberOfEvents = (Int_t) tree->GetEntries();
//numberOfEvents = 1000;

for(Int_t i = 0; i < numberOfEvents; i++)
{
    totalEnergy = 0.0;
    tree->GetEntry(i);
    for(Int_t  j = 0; j < arrayLenght; j++)
         totalEnergy += enen0[j] ;
    histo.Fill(totalEnergy);

}

histo.Draw();
}