if (Input.GetKeyDown(KeyCode.S))
{
    Debug.Log("Hello: " + gameObject.name);
    transform.Translate(Vector3.back * Time.deltaTime * Input.GetAxis("Horizontal") * moveSpeed);
}

if (Input.GetKeyDown(KeyCode.S))
{
    Debug.Log("Hello: " + gameObject.name);
    transform.Translate(Vector3.back * Time.deltaTime * Input.GetAxis("Horizontal") * moveSpeed);
}