發送短信

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 _    _    __   __    ______   _    _     ______  
| || | ||  \ \\/ //  /_____// | || | ||  /_   _// 
| || | ||   \ ` //   `____ `  | || | ||  `-| |,-  
| \\_/ ||    | ||    /___//   | \\_/ ||    | ||   
 \____//     |_||    `__ `     \____//     |_||   
  `---`      `-`'    /_//       `---`      `-`'   
                     `-`

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發送短信 : A unified method of teaching conic sections