static int[] Task(int[] numbers)
        {
            for (int i = 0; i < numbers.Length; i++)
                for (int j = 0; j < numbers.Length; j++)
                {
                    if (j == i)
                        continue;
                    for (int k = 0; k < numbers.Length; k++)
                    {
                        if (k == j || k == i)
                            continue;
                        if (numbers[i] == numbers[j] + numbers[k])
                            return new int[] { i, j, k };
                    }
                }
            return new int[] { 0 };
        }