public int[] twoSum(int[] numbers, int target) {
		int[] ret = new int[2];
		if (numbers.length <= 1)
			return ret;
		for (int i = 0; i < numbers.length; i++) {
			for (int j = i + 1; j < numbers.length; j++) {
				if (target == (numbers[i] + numbers[j])) {
					ret[0] = i + 1;
					ret[1] = j + 1;
					return ret;
				}
			}
		}
		return ret;
	}