#include <bits/stdc++.h>
using namespace std;
#define REP(i,a,n) for(int i=(a); i<(int)(n); i++)
#define rep(i,n) REP(i,0,n)
#define FOR(it,c) for(__typeof((c).begin()) it=(c).begin(); it!=(c).end(); ++it)
#define ALLOF(c) (c).begin(), (c).end()
typedef long long ll;
typedef unsigned long long ull;


int main(){
  string n;
  cin >> n;

  map<char,int> cnt;
  cnt['0'] = 3;
  cnt['1'] = 2;
  cnt['2'] = 2;
  cnt['3'] = 2;
  cnt['4'] = 3;
  cnt['5'] = 2;
  cnt['6'] = 3;
  cnt['7'] = 2;
  cnt['8'] = 4;
  cnt['9'] = 3;

  int ret = 1;
  rep(i,n.size()){
    ret += cnt[n[i]];
  }
  cout << ret << endl;
  
  return 0;
}