#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; #define endl '\n' #define all(v) (v).begin(), (v).end() #define rall(v) (v).rbegin(), (v).rend() #define uniq(v) (v).erase(unique((v).begin(), (v).end()), (v).end()) typedef long long ll; typedef pair P; typedef unsigned int uint; typedef unsigned long long ull; struct pairhash { public: template size_t operator()(const pair &x) const { size_t seed = hash()(x.first); return hash()(x.second) + 0x9e3779b9 + (seed<<6) + (seed>>2); } }; const int inf = 1000000009; const double eps = 1e-8; unordered_set memo; void calc(string s, string t) { if (s.size() == 0) { memo.insert(t); } else { int len = s.size(); t.push_back(s[len-1]); calc(s.substr(0, len-1), t); t.pop_back(); t.push_back(s[0]); calc(s.substr(1), t); } } int solve(string s) { string t; calc(s, t); return memo.size(); } int main() { ios::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(15); string s; cin >> s; cout << solve(s) << endl; }