diff --git a/medtech.cc b/medtech.cc
new file mode 100644
index 0000000..0062581
--- /dev/null
+++ b/medtech.cc
@@ -0,0 +1,57 @@
+//
+//  medtech.cc
+//  CERN MedTech:Hack
+//
+//  Created by Baranyai David on 2018. 03. 30..
+//  Copyright © 2018. Baranyai David. All rights reserved.
+//
+
+#ifdef G4MULTITHREADED
+#include "G4MTRunManager.hh"
+#else
+#include "G4RunManager.hh"
+#endif
+#include "G4UImanager.hh"
+#include "G4VisExecutive.hh"
+#include "G4UIExecutive.hh"
+
+
+int main(int argc,char** argv)
+{
+    //parameter from command line
+    int NoE=0;
+    if (argc==2) NoE=atoi(argv[1]);
+    
+#ifdef G4MULTITHREADED
+    G4MTRunManager* runManager = new G4MTRunManager;
+    unsigned nthreads = sysconf(_SC_NPROCESSORS_ONLN); //Use all available cores
+    std::cout << "Using all cores (" << nthreads << ")\n";
+    runManager->SetNumberOfThreads(nthreads);
+#else
+    G4RunManager* runManager = new G4RunManager;
+#endif
+
+    G4VisManager* visManager = new G4VisExecutive;
+    visManager->Initialize();
+    G4UImanager* UImanager = G4UImanager::GetUIpointer();
+    if (argc==2) {
+        //batch mode
+        runManager->Initialize();
+        runManager->BeamOn(NoE);
+    }
+    else {
+        //interactive mode
+        G4UIExecutive* ui = 0;
+        if ( argc == 1 ) {
+            ui = new G4UIExecutive(argc, argv);
+        }
+        UImanager->ApplyCommand("/control/macroPath macros"); //Need to set, macros moved to that folder
+        ui->SessionStart();
+        delete ui;
+    }
+    
+    
+    delete visManager;
+    delete runManager;
+}
+