using System;

using System.Linq;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        var apis = new List<string>() { "2023-09-01", "2023-09-01-preview" };

        var ordered = apis.OrderBy(a => a).ToList();

        Console.WriteLine($"Apis: {apis.Last().Replace('_', '-')}");

    }

}