#include <bits/stdc++.h>
// #include <boost/multiprecision/cpp_int.hpp>
using namespace std;
// using bigint = boost::multiprecision::cpp_int;

template <typename T> using min_priority_queue = priority_queue<T,vector<T>,greater<T>>;

random_device seed_gen;
mt19937 engine(seed_gen());

int64_t get_time_ns(){
    struct::timespec t;
    clock_gettime(CLOCK_MONOTONIC, &t);
    return t.tv_sec * int64_t(1'000'000'000) + t.tv_nsec;
}

int main() {
    int n = 5;
    vector<int> A(n);
    for(int &a : A) cin >> a;

    int ans = 0;
    for(int a : A) {
        if(a % 15 == 0) ans += 8;
        else if(a % 5 == 0) ans += 4;
        else if(a % 3 == 0) ans += 4;
        else ans += to_string(a).size();
    }

    cout << ans << endl;
    return 0;
}