[Programming Fundamentals] (Arrays)- 11. Equal Sums

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _11.Equal_Sums
    {
    class EqualSums
        {
        static void Main(string[] args)
            {
            int[] nums = Console.ReadLine().Split().Select(int.Parse).ToArray();
            int size = nums.Length;
            int sumLeft = 0;
            int sumRight = 0;
            int countPos = 0;

            if (size == 1)
                {
                Console.WriteLine(size - 1);
                }
            else
                {
                for (int i = 0; i < size-1; i++)
                    {
                    sumLeft += nums[i];
                    countPos++;
                    sumRight = 0;
                    for (int j = size-1; j > i; j--)
                        {
                        sumRight += nums[j];
                        if (sumRight==sumLeft && (j-i)>1)
                            {
                            size = 0;
                            break;
                            }
                        } // end-J
                    if (size==0)
                        {
                        break;
                        }
                    } // end-I
                if (size==0)
                    {
                    Console.WriteLine(countPos);
                    }
                else
                    {
                    Console.WriteLine("no");
                    }

                }

            } // End of Main
        }
    }