using System;

public class Test
{
	public static void Main()
	{
		var userVersionHTML = "2448hello2448welcome2448";
		var chunks = userVersionHTML.Split(new[] {"2448"}, StringSplitOptions.RemoveEmptyEntries); 
		var versionNumberStatus = chunks[0];
		var usernameStatus = chunks[1];
		Console.WriteLine(versionNumberStatus);
		Console.WriteLine(usernameStatus);
	}
}