#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    string s;
    cin >> s;
    int ans = 1;
    vector<int> tb = {1, 0, 0, 0, 1, 0, 1, 0, 2, 1};
    for(auto &&c:s)ans += tb[c - '0'];
    ans += 2 * s.size();
    cout << ans << endl;
}