發送短信

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  _  __     ___     _____       ___      _____   
 | |/ //   / _ \\  |  __ \\    / _ \\   / ____|| 
 | ' //   / //\ \\ | |  \ ||  | / \ || / //---`' 
 | . \\  |  ___  ||| |__/ ||  | \_/ || \ \\___   
 |_|\_\\ |_||  |_|||_____//    \___//   \_____|| 
 `-` --` `-`   `-`  -----`     `---`     `----`

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發送短信 : Diophantine approximation