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

class Main {
	public static void main(String[] args) throws Exception {
		new Main().run();
	}
	
	void run() {
		Scanner sc=new Scanner(System.in);
		char[] cs=sc.next().toCharArray();	
		HashSet<String> set=new HashSet<>();
		for(int s=0;s<1<<cs.length;++s) {
			int L=0,R=cs.length;
			String str="";
			for(int shift=0;shift<cs.length;++shift) {
				if((s>>shift)%2==1) {
					str+=cs[L];
					++L;
				}else {
					str+=cs[R-1];
					--R;
				}
			}
			set.add(str);
		}
		System.out.println(set.size());
	}
	
	static void tr(Object... objects) {
		System.out.println(Arrays.deepToString(objects));
	}
	
}