#include <bits/stdc++.h>

using namespace std;


int main()
{
  const int beet[] = {3, 1, 1, 1, 3, 1, 3, 1, 5, 3};

  string S;
  cin >> S;
  int ret = 2;
  for(auto &c : S) ret += beet[c - '0'];
  cout << ret << endl;

}