using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        Console.WriteLine(CreateHash("ab"));

        Console.WriteLine(CreateHash("az"));

        Console.WriteLine(CreateHash("acb88"));

        Console.WriteLine(CreateHash("acb88"));

    }

    public static long CreateHash(string s)

    {

        long hash = 0;

        int prime = 17;

        for (int i=0; i<s.Length; i++)

        {

            hash +=s[i]* ((long)Math.Pow(prime, i));

        }

        return hash;

    }

}