using System;

public class Program

{

    public static void Main()

    {

        string shorted = Get_String_Max_Chracter_From_End("T0213215portalCode55462", 16);

        Console.WriteLine(shorted);

        if(shorted.Length > 16){

            Console.WriteLine("maxlengthi aştı");   

        }

    }

    public static string Get_String_Max_Chracter_From_End(string value, int maxLength)

    {

        string retval = value;

        if(retval.Length > maxLength){

            retval = retval.Substring(retval.Length - maxLength, maxLength);    

        }

        return retval;

    }

}