program xunshu;
var
  m,n,i,p:integer;
begin
  read(m,n);
  p:=0;
  for i:=m+1 to n-1 do
    if (i mod m=0) and (n mod i=0) then
      begin
        write(i:4);
        p:=p+1;
      end;
    writeln;
    if p=0 then writeln('none.');
end.