@Override
	public int hashCode() {
		int hash = 0;
		hash += (a == null ? 0 : a.hashCode());
		hash += (b == null ? 0 : b.hashCode());
		hash += (c == null ? 0 : c.hashCode());
		hash += (d == null ? 0 : d.hashCode());
		hash += (e == null ? 0 : e.hashCode());
		return hash;
	}