06. Equal Sum

using System;
using System.Collections.Generic;
using System.Linq;

class Program
{
    static void Main(string[] args)
    {
        int[] arrayOfIntegers = Console.ReadLine()
            .Split()
            .Select(int.Parse)
            .ToArray();

        for (int i = 0; i < arrayOfIntegers.Length; i++)
        {
            int sumLeft = 0;
            int sumRight = 0;

            for (int j = 0; j < i; j++)
            {
                sumLeft += arrayOfIntegers[j];
            }
            for (int k = i + 1; k < arrayOfIntegers.Length; k++)
            {
                sumRight += arrayOfIntegers[k];
            }
            if (sumLeft == sumRight)
            {
                Console.WriteLine($"{i}");
                if (arrayOfIntegers[i] == 0 && arrayOfIntegers[i + 1] == 0)
                {
                    continue;
                }
                else
                {
                    return;
                }
            }
        }
        Console.WriteLine("no");
    }
}