發送短信

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 _    _    _    _     ______     ___              
| || | || | || | ||  /_   _//   / _ \\    ____    
| || | || | || | ||    | ||    / //\ \\  |    \\  
| \\_/ || | \\_/ ||   _| ||   |  ___  || | [] ||  
 \____//   \____//   /__//    |_||  |_|| |  __//  
  `---`     `---`    `--`     `-`   `-`  |_|`-`   
                                         `-`

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發送短信 : Logical Foundations of Computer Science