using System;
using System.Text.RegularExpressions;

public class Test
{
	public static void Main()
	{
		string s = "8009030C: LdapErr: DSID-0C0904DC, comment: AcceptSecurityContext error, data 701, v1db1";
		string[] array = s.Split(new []{','},
							     StringSplitOptions.RemoveEmptyEntries);
		string s1 = array[array.Length - 2];
		string finalstring = Regex.Match(s1, @"\d+").Value;
		Console.WriteLine(finalstring);
	}
}