Equal Sums

using System;
using System.Linq;

namespace EqualSums
{
    class Program
    {
        public static void Main(string[] args)
        {
            int[] array = Console.ReadLine().Split(' ').Select(int.Parse).ToArray();

            int leftSum = 0;
            int rightSum = 0;
            int arrIndBetweenEqualSums = 0;
            bool thereAreEqualSums = false;
            for (int currElement = 0; currElement < array.Length; currElement++)
            {
                    for (int leftSumIndex = 0; leftSumIndex < currElement; leftSumIndex++)
                    {
                        leftSum += array[leftSumIndex];
                    }

                    for (int rightSumInd = (currElement + 1); rightSumInd < array.Length; rightSumInd++)
                    {
                        rightSum += array[rightSumInd];
                    }

                    if (leftSum == rightSum)
                    {
                        arrIndBetweenEqualSums = currElement;
                        thereAreEqualSums = true;
                    }
                    leftSum = 0;
                    rightSum = 0;
            }

            if (thereAreEqualSums)
            {
                Console.WriteLine(arrIndBetweenEqualSums);
            }
            else
            {
                Console.WriteLine("no");
            }
        }
    }
}