program hra;
var N: integer;

procedure povely(c: integer);
begin
   if c = 0 then exit;
   if c mod 10 = 0 then begin
      povely(c div 10);
      write('*');
   end else if c mod 10 <= 5 then begin
      povely(c - 1);
      write('+');
   end else begin
      povely(c + 1);
      write('-');
   end
end;

begin
   read(N);
   povely(N);
   writeln;
end.