發送短信 : Automated timetabling using an object-oriented scheduler

   _____     ___     _    _      ___     ______   
  / ___//   / _ \\  | || | ||   / _ \\  |      \\ 
  \___ \\  | / \ || | || | ||  / //\ \\ |  --  // 
  /    //  | \_/ || | \\_/ || |  ___  |||  --  \\ 
 /____//    \___//   \____//  |_||  |_|||______// 
`-----`     `---`     `---`   `-`   `-` `------`