在屏幕上显示：“There is a message for you Mr. Jones. To read it enter Y”。如果用户输入“Y”或“y”，就接着在屏幕上显示信息“Hi！I must leave town tomorrow, therefore I will not be able to see you.”。如果用户输入其他任何键，那么就在另一行显示“No more message for you.”。

-Displayed on the screen: " There is a message for you　Mr. Jones To read it enter Y." . If the user enters " Y"　or " y" , then displays information on the screen " Hi! I must leave town tomorrow, therefore I will not be able to see you." . If the user enters any other key, then display " No more message for you."　In another line.