發送短信

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

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發送短信 : ON SIGNED EDGE DOMINATION OF GRAPHS