#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;
    vector<int> tb = {1, 0, 0, 0, 1, 0, 1, 0, 2, 1};
    auto solve1 = [&](){
        int ans = 1;
        for(auto &&c:s)ans += tb[c - '0'];
        ans += 2 * s.size();
        return ans;
    };
    auto solve2 = [&](){
        int ans = 2;
        for(auto &&c:s)ans += 2 * tb[c - '0'];
        ans += s.size();
        return ans;
    };
    cout << min(solve1(), solve2()) << endl;
}