public int get(int i){
		switch (i) {
		case 1:
			return bnu1;
		case 2:
			return bnu2;
		case 3:
			return bnu3;
		case 4:
			return bnu4;
		case 5:
			return bnu5;
		case 6:
			return bnu6;
		case 7:
			return bnu7;
		default:
			return -1;
		}
	}