using System;
using System.Collections.Generic;
using System.Linq;

namespace yukicoder
{
	public class Program
	{
		public static void Main()
		{
			var A = Console.ReadLine();
			var P = (int)Math.Pow(2, A.Length);
			var l = new List<string>();
            while (P > 0)
            {
				P--;
				var a = A;
				var p = Convert.ToString(P, 2);
				var b = "";
                while (p.Length < a.Length)
                {
					p = "0" + p;
                }
				for(var i = 0; i < p.Length; i++)
                {
                    switch (p[i])
                    {
						case '0':
							b += a[0];
							a = a.Remove(0, 1);
							break;
						case '1':
							b += a[a.Length - 1];
							a = a.Remove(a.Length-1, 1);
							break;
                    }
                }
				l.Add(b);
            }
			Console.WriteLine(l.Distinct().Count());
        }
	}
}