#include <iostream>
#include <string>
using namespace std;

int main() {
  long hall[] = {1, 0, 0, 0, 1, 0, 1, 0, 2, 1};

  string s;
  cin >> s;

  bool flg = false;
  for (long i = 0; i < s.size(); i++) {
    if (hall[s[i] - '0'] != 0) {
      flg = true;
      break;
    }
  }

  long cnt = 1;
  for (long i = 0; i < s.size(); i++) {
    cnt += 2;
    cnt += hall[s[i] - '0'];
  }

  cout << (flg ? cnt : s.size() + 2) << endl;
  return 0;
}