#include <bits/stdc++.h>
#include<iostream>
#include<map>
#include<vector>
#include <algorithm>
#include<math.h>
#include <iomanip>
#include<set>
#include <numeric>
#include<string>
using ll = long long;
using namespace std;


int main()
{
    string s;
    cin >> s;
    int num = 0, sym = 0, dec = 0;
    for (ll i = 0; i < 8; i++){
        if (s[i] == 'a') sym++;
        else if (s[i] == 's') sym++;
        else if (s[i] == 'l') num++;
        else if (s[i] == 'o') num++;
    }
    if (sym + num == 8) dec++;
    if (sym) sym = pow(2, sym) - 1;
    if (num) num = pow(2, num) - 1;
    cout << sym * num - dec << endl;
}