habia una vez una vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, vaca, fin.