#include <iostream>
#include <string>
#include <set>

using namespace std;

int main() {
	string s;
	cin >> s;
	set<string> result;
	int pattern = 1 << (s.size() - 1);
	for (int bits = 0x0; bits < pattern; ++bits) {
		int front = 0;
		int back = s.size() - 1;
		string constructing;
		for (int i = 0; i < s.size() - 1; ++i) {
			if (bits & (1 << i)) {
				constructing.push_back(s[front++]);
			} else {
				constructing.push_back(s[back--]);
			}
		}
		constructing.push_back(s[front]);
		result.insert(constructing);
	}
	cout << result.size() << endl;
	return 0;
}