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

int main() {
    int number=0, symbol=0;
    for(int i=0; i<8; i++){
        char c;
        cin>>c;
        if(c=='l' || c=='o') number++;
        if(c=='a' || c=='s') symbol++;
    }

    int ans = (pow(2,number)-1) * (pow(2,symbol)-1);
    cout<<ans<<endl;

    return 0;
}