#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include <map>
#include <vector>
#include <queue>
#include <deque>
#include <set>
#include <stack>
#include <algorithm>
#include <array>
#include <unordered_set>
#include <unordered_map>
#include <string>
using namespace std;

bool rcmp(int a, int b) { return a>b; }
typedef long long LL;



int main() {
    int n, i;
    char ib[32];
    scanf("%s", ib);
    int c1=1, c2=1, c0=0;
    for (i=0; ib[i]; i++) {
        if (ib[i]=='l'||ib[i]=='o') c1*=2;
        else if (ib[i]=='a'||ib[i]=='s') c2*=2;
        else c0++;
    }
    c1-=1; c2-=1;
    c1*=c2;
    if (c0==0&&c1)  c1--;
    printf("%d\n", c1);

    return 0;
}