(Visual C++) I can't seem to be getting if and else statements to work in correlation with MessageBox

so I'm trying to get a message box that will have one answer with yes, and another answer with no. Though when I try to get this code to work properly it displays "Sorry, wrong answer for both yes and no and ignores the "if". Also it won't even work without the else statement there. Sorry if this is an easy question I've just started. Here is the code: