diff --git a/oving_3/main.py b/oving_3/main.py
index e4b38bf..937fbff 100644
--- a/oving_3/main.py
+++ b/oving_3/main.py
@@ -39,7 +39,19 @@
 
 leftMotor = Motor(port=Port.A)
 rightMotor = Motor(port=Port.B)
-
 robotDriveBase = DriveBase(leftMotor, rightMotor, wheel_diameter=56, axle_track=110)
 
-robotDriveBase.drive(1000, 0)
\ No newline at end of file
+startBtn = TouchSensor(port=Port.S1)
+usSensor = UltrasonicSensor(port=Port.S3)
+
+leftColorSensor = ColorSensor(port=Port.S2)
+rightColorSensor = ColorSensor(port=Port.S4)
+
+while True:
+    if leftColorSensor.color() == Color.BLACK:
+        robotDriveBase.turn(5)
+
+    elif rightColorSensor.color() == Color.BLACK:
+        robotDriveBase.turn(-5)
+
+    DriveBase.run(100)
\ No newline at end of file