#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using vll = vector<long long>;
using vvll = vector<vector<long long>>;
using vs = vector<string>;
#define lln \
  ll n;     \
  cin >> n;
#define REP(i, n) for (long long i = 0; i < n; i++)
#define REP2(i, s, e) for (long long i = s; i < e; i++)
#define UNIQUE_VECTOR(v) v.erase(unique(v.begin(), v.end()))
ll gcd(ll x, ll y) { return (x % y) ? gcd(y, x % y) : y; }
ll lcm(ll x, ll y) { return x / gcd(x, y) * y; }

int main() {
  string s;
  cin >> s;
  ll cnt1 = 0, cnt2 = 0, cnt3 = 0;
  REP(i, 8) {
    if (s[i] == 'o' || s[i] == 'l') {
      cnt1++;
    } else if (s[i] == 'a' || s[i] == 's') {
      cnt2++;
    } else {
      cnt3++;
    }
  }
  ll _1 = 1, _2 = 1, _3 = 1;
  REP(i, cnt1) { _1 *= 2; }
  REP(i, cnt2) { _2 *= 2; }
  if (cnt3) _3 = 0;

  cout << max((ll)0, (_1 - 1) * (_2 - 1) - _3) << endl;
}