#include <bits/stdc++.h>

using namespace std;

#define REP(i,n) for(int i=0; i<(int)(n); i++)

int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);

  int n;
  cin >> n;

  int ds[10] = {4, 3, 3, 3, 4, 3, 4, 3, 5, 4};
  
  int ret = 0;
  int c = 0;
  while (n) {
    ++c;
    ret += ds[n % 10];
    n /= 10;
  }

  ret -= c-1;
  cout << ret << endl;
  
  return 0;
}