#include <bits/stdc++.h>

#define show(x) cerr << #x << " = " << x << endl

using namespace std;
using ll = long long;
using pii = pair<int, int>;
using vi = vector<int>;

template <typename T>
ostream& operator<<(ostream& os, const vector<T>& v)
{
    os << "sz=" << v.size() << "\n[";
    for (const auto& p : v) {
        os << p << ",";
    }
    os << "]\n";
    return os;
}

template <typename S, typename T>
ostream& operator<<(ostream& os, const pair<S, T>& p)
{
    os << "(" << p.first << "," << p.second
       << ")";
    return os;
}


constexpr ll MOD = 1e9 + 7;

template <typename T>
constexpr T INF = numeric_limits<T>::max() / 100;

constexpr int hole[10] = {1, 0, 0, 0, 1, 0, 1, 0, 2, 1};
int cnt[10];

int main()
{
    cin.tie(0);
    ios::sync_with_stdio(false);

    ll n;
    cin >> n;
    if (n == 0) {
        cnt[0]++;
    }
    int d = 0;
    while (n > 0) {
        d++;
        cnt[n % 10]++;
        n /= 10;
    }
    int holes = 1;
    for (int i = 0; i < 10; i++) {
        holes += cnt[i] * hole[i];
    }
    cout << min(2 * d + holes, d + 2 * holes) << endl;

    return 0;
}