#include<iostream>
#include<vector>
#include<algorithm>
using namespace std;
using ll = long long;

int main(void){
  int cnt[10]={3, 2, 2, 2, 3, 2, 3, 2, 4, 3};
  int ans=1;
  int n; cin >> n;
  while(n){
    int x=n%10;
    ans+=cnt[x];
    n/=10;
  }
  cout << ans << endl;
  return 0; 
}