A game device includes a photographing unit, which photographs a user when the user uses a game provided by the game device, and a printer. The coin mechanism controller, when connected to the automatic transaction system controller, serves as an interface between the automatic transaction system controller and the dispenser, and is programmed to re-determine the form of paying out the change, for example, by taking into account the distribution and denominations of the coins in the coin tubes. Participants on the first side have a greater market capacity than market participants on the second side.