#pragma region Macros #include <bits/extc++.h> // #include <bits/stdc++.h> using namespace std; using namespace __gnu_pbds; // using namespace __gnu_cxx; // #include <atcoder/all> // using namespace atcoder; // #include <boost/multiprecision/cpp_int.hpp> // namespace mp = boost::multiprecision; // using Bint = mp::cpp_int; #define TO_STRING(var) # var #define pb emplace_back #define int ll #define endl '\n' using ll = long long; using ld = long double; const ld PI = acos(-1); const ld EPS = 1e-10; const ll INFL = 1LL << 61; const int MOD = 998244353; // const int MOD = 1000000007; __attribute__((constructor)) void constructor() { ios::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(15); } int modpow(int x, int N, int mod) { int ret = 1; while (N > 0) { if (N % 2 == 1) ret = ret * x % mod; x = x * x % mod; N /= 2; } return ret; } int ceil(int x, int y) { return (x > 0 ? (x + y - 1) / y : x / y); } #pragma endregion signed main() { string S; cin >> S; int N = S.size(); set<string> st; for (int i = 0; i < (1 << N); i++) { string T = ""; for (int j = 0; j < N; j++) { if (i & (1 << j)) { if (S[j] == 'l') T.push_back('1'); else if (S[j] == 'o') T.push_back('0'); else if (S[j] == 'a') T.push_back('@'); else if (S[j] == 's') T.push_back('$'); else T.push_back(S[j]); } else { T.push_back(S[j]); } } bool alpha = false; bool number = false; bool kigou = false; for (auto &x : T) { if ('0' <= x && x <= '9') number = true; if ('a' <= x && x <= 'z') alpha = true; if (x == '@' or x == '$') kigou = true; } if (number && alpha && kigou) { st.insert(T); } } cout << st.size() << endl; // for (auto &x : st) { // cout << x << " "; // } // cout << endl; }