diff --git a/DLASystem.cpp b/DLASystem.cpp
index 78b51c9..e1018b6 100644
--- a/DLASystem.cpp
+++ b/DLASystem.cpp
@@ -172,10 +172,6 @@ void DLASystem::moveLastParticle() {
             setParticleInactive();  // make the particle inactive (stuck)
             updateClusterRadius(lastP->pos);  // update the cluster radius, addCircle, etc.
         }
-    } else {
-        // If we get to here then we are trying to move to an occupied site
-        cout << "reject " << direction << endl
-             << lastP->pos[0] << "," << lastP->pos[1] << endl;
     }
 }
 
diff --git a/mainDLA.cpp b/mainDLA.cpp
index 9e7437f..8839ba2 100644
--- a/mainDLA.cpp
+++ b/mainDLA.cpp
@@ -13,14 +13,24 @@ using std::endl;
 DLASystem *sys;
 
 int main(int argc, char **argv) {
-    std::ofstream csv_out("./out.csv");
+    int seed;
+    double stickProbability = 0.5;
+
+    if (argc != 3) {
+        return 1;
+    } else {
+        seed = std::stoi(argv[1]);
+        stickProbability = std::stod(argv[2]);
+    }
+
+    cout << "Seed: " << seed << "Stick P: " << stickProbability << endl;
+
+    std::stringstream str;
+    str << "./out-" << seed << '-' << stickProbability << ".csv";
+    std::ofstream csv_out(str.str());
 
     // create the system
-    sys = new DLASystem(std::move(csv_out), 0.5);
-
-    // this is the seed for the random numbers
-    int seed = 6;
-    cout << "setting seed " << seed << endl;
+    sys = new DLASystem(std::move(csv_out), stickProbability);
     sys->setSeed(seed);
     sys->setRunning();