/* -*- coding: utf-8 -*-
 *
 * 2201.cc:  No.2201 p@$$w0rd - yukicoder
 */

#include<cstdio>
#include<algorithm>

using namespace std;

/* constant */

const int N = 8;

/* typedef */

/* global variables */

/* subroutines */

/* main */

int main() {
  char s[N + 4];
  scanf("%s", s);

  int dn = 0, sn = 0;
  for (int i = 0; i < N; i++) {
    if (s[i] == 'l' || s[i] == 'o') dn++;
    else if (s[i] == 'a' || s[i] == 's') sn++;
  }

  int x = ((1 << dn) - 1) * ((1 << sn) - 1);
  if (x > 0 && dn + sn == N) x--;
  printf("%d\n", x);

  return 0;
}