package no052;

import java.util.HashSet;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		char[] s = sc.next().toCharArray();
		int n = s.length;
		HashSet<String> hm = new HashSet<>();
		for(int i=0;i<(1<<n);i++) {
			int head = 0;
			int tail = n - 1;
			StringBuilder sb = new StringBuilder();
			for(int j=0;j<n;j++) {
				if (((i>>j)&1) == 0) {
					sb.append(s[head]);
					head++;
				}else{
					sb.append(s[tail]);
					tail--;
				}
			}
//			System.out.println(sb.toString());
			hm.add(sb.toString());
		}
		System.out.println(hm.size());
	}
}