int ascii3() 
{
ofstream gamOut;
Char_t name[50];
float y; 

sprintf(name, "Time_distr");

 printf("Writing data to %s\n", name);

TFile *f1 = new TFile("decay_600ns.root");

  TH1S *hGam = (TH1S*) f1->Get(name);

sprintf(name, "%s.dat", name);

 printf("Writing data to %s\n", name);

  gamOut.open(name);

  Int_t nbinsx = hGam->GetNbinsX();

  for(int bin = 1; bin <= nbinsx; bin++) {
    y = (float) hGam->GetBinContent(bin);
        gamOut << bin-1 << "" << y << endl;
  }
  return 0;

} 

void ascii1(){
ascii3();
}