CONST
c1=$80000000;
c2=$80000001;
c3=$80000002;
c4=$80000003;
cm=$80000007;
VAR v:dword;
BEGIN
v:=c2;
CASE (v AND cm) OF
c1,c2:writeln('case c1,c2');
c3,c4:
begin
writeln('case c3,c4');
halt(1);
end;
ELSE
begin
writeln('case failed, but it should not');
halt(1);
end;
END;
END.