diff --git a/example.npda b/example.npda
index e228825..9579916 100644
--- a/example.npda
+++ b/example.npda
@@ -14,8 +14,7 @@ d(q0, epsilon, B)   =   { (q0, [A B]),  (q0, [B B])  }
 // transition to q1
 d(q0, epsilon, z0)  =   { (q1, z0) }
 d(q0, epsilon, A)   =   { (q1, A)  }
-
-//d(q0, epsilon, B)   =   { (q1, B)  }
+d(q0, epsilon, B)   =   { (q1, B)  }
 
 // consume stack until empty
 d(q1, a, A)         =   { (q1, epsilon) }
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..51eccca
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,37 @@
+use automata::automata::npda;
+
+fn main() {
+    let input = include_str!("../example.npda");
+
+    let table = match npda::TransitionTable::load_table(input) {
+        Ok((ok, logs)) => {
+            for log in logs.displayable() {
+                println!("{log}")
+            }
+            ok
+        }
+        Err(logs) => {
+            for log in logs.displayable() {
+                println!("{log}")
+            }
+            return;
+        }
+    };
+
+    let input = "aababdsaab";
+    println!("running on: '{input}'");
+    let mut simulator = npda::Simulator::begin(input, table);
+    loop {
+        match simulator.step(){
+            npda::SimulatorResult::Pending => {},
+            npda::SimulatorResult::Reject => {
+                println!("REJECTED");
+                break;
+            },
+            npda::SimulatorResult::Accept(npda) => {
+                println!("ACCEPT: {npda:?}");
+                break;
+            },
+        }
+    }
+}