SumOfElements

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

class P02SumOfElements
{
    static void Main()
    {
        string str = Console.ReadLine();
        string[] num = str.Split(' ');
        List<int> numbers = new List<int>();
        List<int> sums = new List<int>();
        List<int> diffs = new List<int>();
        int sum = 0;
        int diff = 0;
        int diffMin = 0;
        foreach (string n in num)
        {
            int number = int.Parse(n);
            numbers.Add(number);
        }
        bool zeros = true;
        for (int i = 0; i < numbers.Count; i++)
        {
            if (numbers[i] != 0)
            {
                zeros = false;
            }
        }
        if (zeros == true)
        {
            Console.WriteLine("Yes, sum={0}", sum);
        }
        else
        {
            for (int i = 0; i < numbers.Count; i++)
            {
                for (int j = 0; j < numbers.Count; j++)
                {
                    if (j == i)
                    {
                        continue;
                    }
                    else
                    {
                        sum += numbers[j];
                    }
                }
                if (numbers[i] == sum)
                {
                    sums.Add(sum);
                    Console.WriteLine("Yes, sum={0}", sum);

                }
                else
                {
                    diff = sum - numbers[i];
                    diffs.Add(diff);
                }
                sum = 0;
                diff = 0;
            }

            if (sums.Count == 0)
            {
                diffMin = diffs.Min();
                Console.WriteLine("No, diff={0}", Math.Abs(diffMin));
            }
        }
    }
}