using System;

using System.Text.Json;

public class Program

{

    public static void Main()

    {

        string jsonArr = null;

        if (string.IsNullOrEmpty(jsonArr))

        {

            return;

        }

        var arr = JsonSerializer.Deserialize<string[]>(jsonArr);

        Console.WriteLine(arr[0]);

        Console.WriteLine(arr[1]);

    }

}