EqualSums

using System;
using System.Linq;

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

            int leftSum = 0;
            int rightSum = nums.Sum();

            for (int i = 0; i < nums.Length; i++)
            {
                rightSum -= nums[i];

                if (leftSum == rightSum)
                {
                    Console.WriteLine(i);
                    return;
                }

                leftSum += nums[i];
            }

            Console.WriteLine("no");
        }
    }
}