cout<<">>>>> SIMULATION <<<<<"<<endl;
gSystem->Exec("aliroot -b -q sim.C > sim.log 2>&1");
cout<<">>>>> SIMULATION QA <<<<<"<<endl;
cout<<">>>>> SIMULATION <<<<<"<<endl;
gSystem->Exec("aliroot -b -q sim.C > sim.log 2>&1");
cout<<">>>>> SIMULATION QA <<<<<"<<endl;