#include <bits/stdc++.h>
using namespace std;

int main() {
    int n, ans = 0;
    for (int i = 0; i < 5; i++) {
        cin >> n;
        if (n % 3 == 0 and n % 5 == 0) ans += 8;
        else if (n % 3 == 0 or n % 5 == 0) ans += 4;
        else ans += to_string(n).length();
    }
    cout << ans << endl;
    return 0;
}