using System;

using System;

using System.Collections.Generic;

using System.Data.HashFunction;

using System.Data.HashFunction.MurmurHash;

using System.Linq;

using System.Numerics;

public class Program

{

    private readonly IHashFunctionAsync _murmurHash3;

    private const int MURMUR3_HASH_SIZE = 128;  

    public static void Main()

    {

        string[] items = {

            "65789b6faaa7981c1ca13138", 

            "6579c18519860117b719b49e", 

            "657abf9219860117b719b4a5", 

            "657acb2819860117b719b4a6", 

            "657acb2819860117b719b4a7"};

        foreach (string i in items) 

          {

            Console.WriteLine( ConvertTextPsaIdToNumber(i) % 100 );

          }   

    }

    public static BigInteger ConvertTextPsaIdToNumber(string input)

        {

            if (long.TryParse(input, out var id))

            {

                return id;

            }

            var murmur3Option = new MurmurHash3Config()

            {

                HashSizeInBits = MURMUR3_HASH_SIZE

            };

            var _murmurHash3 = MurmurHash3Factory.Instance.Create( murmur3Option );

            var hashValue = _murmurHash3.ComputeHash(input).Hash;

            if (BitConverter.IsLittleEndian)

            {

                Array.Reverse(hashValue);

            }

            return new BigInteger(hashValue);

        }

}