#include <windows.h>

int WINAPI

WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,intnShowCmd)

{

	MessageBox(
		NULL,
		"はいがデフォルト",
		"その１",
		MB_ICONINFORMATION | MB_YESO
	);
	MessageBox(
		NULL,
		"いいえがデフォルト",
		"その２",
		MB_ICONINFORMATION | MB_YESNO | MB_DEFBUTTON2
	);
	return (0);

}