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

namespace _03.Spyfer
{
    class Program
    {
        static void Main(string[] args)
        {
            List<int> listOfNumbers = Console.ReadLine()
                .Split(new char[] {' '} , StringSplitOptions.RemoveEmptyEntries)
                .Select(int.Parse)
                .ToList();

            int leftNeighboringElement = 0;
            int rightNeighboringElement = 0;

            if (listOfNumbers.Count == 0)
            {
                Console.WriteLine("Empty");
                return;
            }

            for (int index = 0; index < listOfNumbers.Count; index++)
            {
                leftNeighboringElement = index - 1 == -1 ? 0 : listOfNumbers[index - 1];
                rightNeighboringElement = index + 1 >= listOfNumbers.Count ? 0 : listOfNumbers[index + 1];

                if (leftNeighboringElement + rightNeighboringElement == listOfNumbers[index])
                {
                   // Console.WriteLine("Condition1");
                    if (!(index == 0))
                    {
                        listOfNumbers.RemoveAt(index - 1);
                    }
                    if (!(index >= listOfNumbers.Count))
                    {
                        listOfNumbers.RemoveAt(index);
                    }
                    index = 0;
                }
                //else
                //{
                //    Console.WriteLine("Nothing Happens");
                //}
            }

            Console.WriteLine(string.Join(" ", listOfNumbers));

        }
    }
}