using System;
public class Program
{
public static void Main()
var s = "AppFolioSFR-fff112ce-c5b9-11ec-9c64-0e9fb0e3cbac-Unit B";
s = s.Replace("AppFolioSFR-","");
var y = "36";
var x = 0;
if (int.TryParse(y, out x))
if (s.Length > x)
s = s.Substring(0, x);
}
Console.WriteLine(s);