using System;

public static class Program

{

    public static void Main()

    {

        Console.WriteLine(GenerateHashId("ResuRosary"));

    }

        public static int GenerateHashId(this string id)

    {

        if (string.IsNullOrEmpty(id))

            return 0;

​

        unchecked

        {

            int hash1 = 5381;

            int hash2 = hash1;

​

            for (int i = 0; i < id.Length && id[i] != '\0'; i += 2)

            {

                hash1 = ((hash1 << 5) + hash1) ^ id[i];

                if (i == id.Length - 1 || id[i + 1] == '\0')

                    break;

                hash2 = ((hash2 << 5) + hash2) ^ id[i + 1];

            }

​

            return hash1 + (hash2 * 1566083941);

        }

    }

}