SplitArray

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

namespace ConsoleApplication1
{
    class Test
    {
        static void Main()
        {
            char[] separators = { ' ' };
            string[] item = Console.ReadLine().Split(separators, StringSplitOptions.RemoveEmptyEntries);
            int[] sum = item.Select(int.Parse).ToArray();
            Console.WriteLine(sum.Sum());
        }
    }
}