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

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發送短信 : Powers of theta functions