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

namespace _06.StuckZipper
{
    class Program
    {
        static void Main(string[] args)
        {
            var firstPart = Console.ReadLine().Split().Select(int.Parse).ToList();
            var secondPart = Console.ReadLine().Split().Select(int.Parse).ToList();
            var zipper = new List<int>();
            var min = firstPart.Min();
            for (int i = 0; i < firstPart.Count; i++)
            {
                if (firstPart[i].ToString().Length > min.ToString().Length)
                {
                    firstPart.Remove(firstPart[i]);
                }
            }
            for (int i = 0; i < secondPart.Count; i++)
            {
                if (secondPart[i].ToString().Length > min.ToString().Length)
                {
                    secondPart.Remove(secondPart[i]);
                }
            }
            var maxLenght = Math.Max(firstPart.Count, secondPart.Count);
            var result = new List<int>();

            for (int i = 0; i < maxLenght; i++)
            {
                result.Add(secondPart[i]);

                result.Add(firstPart[i]);

            }

            Console.WriteLine(string.Join(" ",result));
        }

    }
}