Shut Down PC by Sending SMS

i am currently working on a project where i need to shutdown my PC by sending an SMS from my phone.I don't know it is actually possible.

But i have an idea..

I have a my cellphone/USB modem with simcard connected to my laptop.So can i shutdown my laptop by sending a message "shutdown"?Here i need to have a program that reads what all sms coming to my phone which is connected to laptop.If the content of the message is "shutdown"..then i can call a batch file where my shutdown command is written.

I think it is possible.What do you think?So can anyone please give me the code to read SMS coming to a phone which is connected to a PC?Please help me...Thanks in advance

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