using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication1
{
	class Program
	{
		static void Main(string[] args)
		{
			Int64 SteamId = 76561197996545192;
			byte[] parts = { 0x42, 0x45, 0, 0, 0, 0, 0, 0, 0, 0 };
			byte counter = 2;

			do
			{
				parts[counter++] = (byte)(SteamId & 0xFF);
			} while ((SteamId >>= 8) > 0);

			MD5 md5 = new MD5CryptoServiceProvider();
			byte[] beHash = md5.ComputeHash(parts);
			StringBuilder sb = new StringBuilder();
			for (int i = 0; i < beHash.Length; i++)
			{
				sb.Append(beHash[i].ToString("x2"));
			}

			Console.Out.WriteLine(sb.ToString());
			Console.In.Read();
		}
	}
}