using System;

using System.Collections.Generic;

using System.Text.RegularExpressions;

public class Program

{

    public static void Main()

    {

        // Parameter: Class Member

        String[] CsvColumns;

        CsvColumns = new string[43];

        CsvColumns[4] = "A2302396517";

        CsvColumns[5] = "FFAU2556769";

        CsvColumns[9] = "20221206";

        CsvColumns[10] = "Brooklyn NY 23890 USA";

        CsvColumns[13] = "OAKLAND, CA";

        String result;

        //City

        //x=CsvColumns[10]+".";y=GetMatch(x,@"\W[A-Z]{2}(\W|\d)(?!.*\W[A-Z]{2}(\W|\d))");Substring(CsvColumns[10],0,IndexOf(x,y)).Replace(",","")

        //string x = CsvColumns[10]+".";

        //Match y = Regex.Match(x,@"\W[A-Z]{2}(\W|\d)(?!.*\W[A-Z]{2}(\W|\d))");

        //result = x.Substring(0,x.IndexOf(y.ToString())).Replace(",","").Trim();

        //State

        //x=CsvColumns[10]+".";y=GetMatch(x,@"\W[A-Z]{2}(\W|\d)(?!.*\W[A-Z]{2}(\W|\d))");GetMatch(y,@"[A-Z]{2}")

        //string x = CsvColumns[10]+".";

        //Match y = Regex.Match(x,@"\W[A-Z]{2}(\W|\d)(?!.*\W[A-Z]{2}(\W|\d))");

        //result = Regex.Match(y.ToString(),@"[A-Z]{2}").ToString();

        //Metadata1

        //CsvColumns[4]+CsvColumns[5]

        //result = CsvColumns[4]+CsvColumns[5];

        //Country

        //"USA"

        //result = "USA"

        //Port

        //p=CsvColumns[13] StringIs.Split(",") String[0];s=Substring(Trim(CsvColumns[13] StringIs.Split(",") String[1]),0,2);p+", "+s

        //String[] a = CsvColumns[13].Split(",");

        //result = a[0]+", "+a[1].Trim().Substring(0,2);

        //AddDay

        //GetDateTime(Convert.ToDateTime(CsvColumns[9]).AddDays(7),"MM/dd/yyyy HH:mm")

        //if(DateTime.TryParse(CsvColumns[9], out DateTime valDate)){result = valDate.AddDays(7).ToString("yyyy-MM-dd HH:mm:ss");}else{ result = CsvColumns[9];}

        result = DateTime.TryParse(CsvColumns[9], out DateTime valDate) ? valDate.AddDays(7).ToString("yyyy-MM-dd HH:mm:ss") : CsvColumns[9];

        Console.WriteLine(result);

    }

}