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

public class Main {
	static Scanner in = new Scanner(System.in);
	static Set<String> set = new HashSet<>();
	public static void main(String[] args) {
		String s = in.next();
		f(s, "");
		System.out.println(set.size());
	}
	
	public static void f(String s1, String s2){
		if(s1.length() == 1){
			set.add(s2 + s1);
		}else{
			f(s1.substring(0, s1.length() - 1), s2 + s1.charAt(s1.length() - 1));
			f(s1.substring(1, s1.length()), s2 + s1.charAt(0));
		}
	}
}