#include <bits/stdc++.h>
using namespace std;

//* SETIO
void setIO(string name = ""){ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); if(name.size()){ freopen((name + ".in").c_str(), "r", stdin);freopen((name + ".out").c_str(), "w", stdout);}}


void RESOLVER(){
   string s;
   cin >> s;
   int n = 0;
   vector<int> pos;
   for (int i = 0; i < s.size(); i++){
        if(s[i] == '?') pos.push_back(i);
   }
   n = pos.size();
   vector<int> perm(n);
   set<int> ans;
   for (int i = 1; i <= n; i++) perm[i - 1] = i;
   do{  
        string p = s;
        int cont = 0;
        for (auto x : pos){
            p[x] = (perm[cont] + '0');
            cont++;
        }
        while(p.size() > 1){
        for (int i = 0; i < p.size(); i++){
            //!min
            //* i = i, i + 1 = n, i + 2 = (, i + 3 = ?
            if(p[i] == 'i'){
                if (p[i + 3] <= '9' and p[i + 5] <= '9'){
                    //cout << "si ";
                    int v1 = p[i + 3] - '0';
                    int v2 = p[i + 5] - '0';
                    int val = min(v1, v2);
                    //cout << p << " ";
                    p.insert(p.begin() + i + 7, val + '0');
                    p.erase(i - 1, 8);
                    //cout << val << "\n";
                
                }
                //cout << "\n";
            }
            //!max
            if(p[i] == 'a'){
                if (p[i + 3] <= '9' and p[i + 5] <= '9'){
                    //cout << "si ";
                    int v1 = p[i + 3] - '0';
                    int v2 = p[i + 5] - '0';
                    int val =  max(v1, v2);
                    //cout << p << " ";
                    p.insert(p.begin() + i + 7, val + '0');
                    p.erase(i - 1, 8);
                    //cout << val << "\n";
                
                }
                //cout << "\n";
            }
        }
        }
        ans.insert(p[0] + '0');
        //cout << p;
        //cout << "\n";
   } while (next_permutation(perm.begin(), perm.end()));
   
    cout << ans.size();
}

int main(){
    //!ChrisM
    setIO("");
    int t = 1;
    //cin >> t;
    while(t--){
    RESOLVER();
    }
}