FancyNumber

using System;
class FancyNumber
{
    static void Main()
    {
        string inputN = Console.ReadLine();
        int digCnt = inputN.Length;
        string[,] n = { {"", "0","00","000","01","1","10","100","1000","02"},
                        {"", "2","22","222","23","3","32","322","3222","24"},
                        {"", "4","44","444","45","5","54","544","5444","46"},
                        {"", "6","66","666","67","7","76","766","7666","68"} };
        int digit=0;
        string fancyNum = "";
        for (int offset = digCnt; offset > 0; offset--)
		{
            digit=int.Parse(inputN.Substring(offset-1,1));
            for (int i = 1; i < 10;i++)
            {
                if (digit == i)
                {
                    fancyNum = n[digCnt-offset, i]+fancyNum;
                    break;
                }
            }
        }
        Console.WriteLine(fancyNum);
    }
}