CondenseArrayToNumber

using System;
using System.Linq;

namespace _8CondenseArrayToNumber
{
    class Program
    {
        static void Main(string[] args)
        {/*
            int[] array = Console.ReadLine().Split().Select(int.Parse).ToArray();
            int[] newArray = new int[array.Length - 1];

            if (array.Length == 1)
            {
                Console.WriteLine(array[0]);
                return;
            }

            for (int i = 0; i < array.Length; i++)
            {
                for (int d = 0; d < newArray.Length - i; d++)
                {
                    newArray[d] = array[d] + array[d + 1];
                }
                array = newArray;
            }
            Console.WriteLine(newArray[0]);*/
            string input = Console.ReadLine();
            string[] numbers = input.Split(' ');
            int[] array = new int[numbers.Length];

            for (int i = 0; i < array.Length; i++)
            {
                array[i] = int.Parse(numbers[i]);
            }

            int[] condensed = new int[array.Length - 1];

            while (array.Length > 1)
            {
                for (int i = 0; i < array.Length - 1; i++)
                {
                    condensed[i] = array[i] + array[i + 1];
                    array[i] = condensed[i];
                }
                Array.Resize(ref condensed, condensed.Length - 1);
                Array.Resize(ref array, array.Length - 1);
            }

            foreach (var element in array)
            {
                Console.WriteLine(element);
            }
        }
    }
}