EqualSums

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

namespace _12.EqualSums
{
    class Program
    {
        static void Main(string[] args)
        {
            //
            int[] nums = Console.ReadLine().Split().Select(int.Parse).ToArray();
           // int[] nums = new int[] {1, 2, 3, 3};
            bool areEqual = false;
            for (int current = 0; current < nums.Length; current++)
            {
                int sumLeft = 0;
                int sumRight = 0;

                for (int curr = 0; curr < current+1; curr++)
                {
                    sumLeft += nums[curr];
                }
                for (int i = nums.Length - 1; i >= current; i--)
                {
                    sumRight += nums[i];
                }

                if (sumLeft==sumRight)
                {
                    Console.WriteLine(current);
                    areEqual = true;
                }
            }
            if (!areEqual)
            {
                Console.WriteLine("no");
            }
        }
    }
}