_06.Stuck_Zipper

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

namespace _06.Stuck_Zipper
{
    class Program
    {
        static void Main(string[] args)
        {
            List<int> first = Console.ReadLine().Split(' ').Select(int.Parse).ToList();
            List<int> second = Console.ReadLine().Split(' ').Select(int.Parse).ToList();
            List<int> resultList = new List<int>();

            //find min length number from the two lists
            int minDigits = Math.Min(MinLength(first), MinLength(second));

            //remove items bigger than min digits
            first = RemoveBiggerThanMinSize(first, minDigits);
            second = RemoveBiggerThanMinSize(second, minDigits);

            //merge the two lists
            resultList = MergeLists(first, second);

            //print results list
            Console.WriteLine(string.Join(" ", resultList));
        }

        static int MinLength(List<int> list)
        {
            int minLength = int.MaxValue;
            for (int i = 0; i < list.Count; i++)
            {
                if (minLength > FindLength(list[i]))
                {
                    minLength = FindLength(list[i]);
                }
            }
            return minLength;
        }

        static int FindLength(int number)
        {
            string numberLen = Math.Abs(number).ToString();
            return numberLen.Length;
        }

        static List<int> RemoveBiggerThanMinSize(List<int> list, int minDigits)
        {
            for (int i = 0; i < list.Count; i++)
            {
                if (FindLength(list[i]) > minDigits)
                {
                    list.RemoveAt(i);
                    i--;
                }
            }
            return list;
        }

        static List<int> MergeLists(List<int> list1, List<int> list2)
        {
            List<int> results = new List<int>();
            int MaxCount = Math.Max(list1.Count, list2.Count);

            for (int i = 0; i < MaxCount; i++)
            {
                if (i < list2.Count)
                {
                    results.Add(list2[i]);
                }
                if (i < list1.Count)
                {
                    results.Add(list1[i]);
                }
            }
            return results;
        }
    }
}