#include <bits/stdc++.h>
#define rep(i, n) for (ll i = 0; i < n; ++i)
typedef long long ll;
using namespace std;
const int INF = 1e9;

int main() {
    int ans = 0;
    rep(i, 5) {
        int a;
        cin >> a;

        string s = to_string(a);
        if (a % 15 == 0)
            ans += 8;
        else if (a % 5 == 0 || a % 3 == 0)
            ans += 4;
        else
            ans += s.size();
    }

    cout << ans << endl;

    return 0;
}