using System;
public class Test
{
	public static void Main()
	{
		int n;
		//while ((n = int.Parse(Console.ReadLine()))!=42)
		//	Console.WriteLine(n);
        Console.WriteLine( GeneratedocumentReference("10089","0097"));
	}

 private string GeneratedocumentReference(string BoxNo, string FolderNo)
        {
            string N1 = "1";
            string N2 = "2";
            string N3_N4 = "01";
            string N5 = "1";
            string N6_N10 = System.DateTime.Now.Year.ToString().Substring(3,1) + BoxNo.Substring(1,BoxNo.Length -1);
            string N11_N14 = FolderNo;
            string CheckDigit = string.Empty;
            StringBuilder sb = new StringBuilder();
            sb.Append(N1);
            sb.Append(N2);
            sb.Append(N3_N4);
            sb.Append(N5);
            sb.Append(N6_N10);
            sb.Append(N11_N14);
            CheckDigit = ValidateMod43(sb.ToString());
            sb.Append(CheckDigit);
            return sb.ToString().Replace("/", string.Empty);
        }

         public string ValidateMod43(string barcode)
        {
            int subtotal = 0;
            const string charSet = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%";

            for (int i = 0; i < barcode.Length; i++)
            {
                subtotal += charSet.IndexOf(barcode.Substring(i, 1));
            }

            return charSet.Substring(subtotal % 43, 1);
        }

}