namespace _06.StuckZipper

{

    using System;

    using System.Collections.Generic;

    using System.Linq;

​

    public class Program

    {

        public static void Main()

        {

            List<int> firstList = Console.ReadLine().Split(' ').Select(int.Parse).ToList();

            List<int> secondList = Console.ReadLine().Split(' ').Select(int.Parse).ToList();

​

            int minLenght = TakeMinLenghtOfNumbers(firstList, secondList);

​

            firstList = RemoveBigerValues(minLenght, firstList);

            secondList = RemoveBigerValues(minLenght, secondList);

​

            int maxCount = Math.Max(firstList.Count, secondList.Count);

            List<int> zippList = new List<int>();

​

            for (int i = 0; i <= maxCount; i++)

            {

                if (i < secondList.Count)

                {

                    zippList.Add(secondList[i]);

                }

                if (i < firstList.Count)

                {

                    zippList.Add(firstList[i]);

                }

            }

​

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

        }

​

        private static int TakeMinLenghtOfNumbers(List<int> firstList, List<int> secondList)

        {

            int currentLenght = 0;

            int minLenght = int.MaxValue;

​

            for (int i = 0; i < firstList.Count - 1; i++)

            {

                currentLenght = (Math.Abs(firstList[i])).ToString().Length;

                if (currentLenght < minLenght)

                {

                    minLenght = currentLenght;

                }

            }

            for (int i = 0; i < secondList.Count - 1; i++)

            {

                currentLenght = (Math.Abs(secondList[i])).ToString().Length;

                if (currentLenght < minLenght)

                {

                    minLenght = currentLenght;

                }

            }

​

            return minLenght;

        }

​

        private static List<int> RemoveBigerValues(int minLenght, List<int> list)

        {

            int currentLenght = 0;

            for (int i = 0; i < list.Count; i++)

            {

                currentLenght = (Math.Abs(list[i])).ToString().Length;

​

                if (currentLenght > minLenght)

                {

                    list.RemoveAt(i);

                    i--;

                }

            }

            return list;

        }

    }

}