#include <iostream>
#include <vector>
#include <string>

const std::vector<int> num{1, 0, 0, 0, 1, 0, 1, 0, 2, 1};

void solve() {
    std::string s;
    std::cin >> s;

    int x = s.length();

    int y = 1;
    for (char c : s) y += num[c - '0'];

    std::cout << std::min(x, y) + x + y << std::endl;
}

int main() {
    std::cin.tie(nullptr);
    std::ios::sync_with_stdio(false);

    solve();

    return 0;
}