ExArrays_06_EqualSums

int[] array = Console.ReadLine()
                .Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries)
                .Select(int.Parse)
                .ToArray();

            if(array.Length == 1)
            {
                Console.WriteLine("0");
            }
            else if (array.Length > 3)
            {
                for (int i = 1; i < array.Length; i++)
                {
                    int leftSum = 0;
                    for (int k = 0; k < i; k++)
                    {
                        leftSum += array[k];
                    }
                    int rightSum = 0;
                    for (int j = i + 1; j < array.Length; j++)
                    {
                        rightSum += array[j];
                    }

                    if (leftSum == rightSum)
                    {
                        Console.WriteLine(i);
                        break;
                    }
                }
            }
            else
            {
                Console.WriteLine("no");
            }