Decision && Repetition

[jarbot1]

Hello, I am completly new on C++ programming. Fri we got handed our first project with decision, repetition. I have no idea where to even start, and I am kind of freaking out. picture of the project in the link: http://img514.yfrog.com/img514/2267/p01fm.jpg
In no way am i asking you to do my homework for me. If someone could just enlighten me on what to do, or how to start I would very much appreciate it, I am just drawing a blank X^|. Im using Visual Studio 2008 if that matters. Win32 application, empty project.
Thank you!

[blackcoder41]

char givenVal = 'A';
char output = 126 - givenVal - 32;

here's an intro using visual studio
http://www.youtube.com/watch?v=JlcPIjCTxLk&annotation_id=annotation_664395&feature=iv