#include <iostream>
#include <string>

int main() {
  std::string S;
  std::cin >> S;

  const int N = static_cast<int>(std::size(S));
  int res     = 0;

  for (int mask = 0; mask < (1 << (N - 1)); ++mask) {
    long long value = 0, tmp = 0;

    for (int i = 0; i < N; ++i) {
      tmp = tmp * 10 + (S[i] - '0');
      if (((mask >> i) & 1) == 1) {
        value += tmp;
        tmp = 0;
      }
    }

    value += tmp;

    res += [&] {
      for (int p = 2; p <= value / p; ++p) {
        if (value % p == 0) {
          return false;
        }
      }
      return true;
    }();
  }

  std::cout << res << '\n';
}