void setstyle(){
  //PAD
  double y1=0.15;//bottom up by 
  double x1=0.15; //left in by
  double y2=0.15;//top down by
  double x2=0.15;//right in by
  gStyle->SetPadTopMargin(y2);
  gStyle->SetPadBottomMargin(y1);
  gStyle->SetPadRightMargin(x2);
  gStyle->SetPadLeftMargin(x1);
  //Canvas
  gStyle->SetCanvasColor(10);

  //Color
  gStyle->SetPalette(1);
  //DATE
  //gStyle->SetOptDate(21);
  //gStyle->GetAttDate()->SetTextColor(2);
  //TiTle
  gStyle->SetTitleFillColor(10);
  gStyle->SetTitleTextColor(4);
  gStyle->SetTitleX(x1);
  gStyle->SetTitleY(0.98);
  gStyle->SetTitleW(1.-x2-x1);

  //AXIS
  gStyle->SetLabelColor(1,"xyz");

  //Stat
  //gStyle->SetOptStat(0000);
  gStyle->SetOptStat("iRMen");

   gStyle->SetStatColor(10);
   gStyle->SetStatTextColor(4);
  gStyle->SetStatW(0.20);
  gStyle->SetStatH(0.10);
  gStyle->SetStatX(1.-x2);
  gStyle->SetStatY(1.-y2);
}