Using the MSDN documentation, find out which flags were used in the MessageBox() win32 function call.
_main PROC
push 278595 ; 00044043H
push OFFSET $SG79792 ; 'caption'
push OFFSET $SG79793 ; 'hello, world!'
push 0
call DWORD PTR __imp__MessageBoxA@16
xor eax, eax
ret 0
_main ENDP
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