// #define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); ++i)
int main() {
    // Input
    int a[5];
    rep(i, 5) cin >> a[i];

    // Calculate
    int ans = 0;
    rep(i, 5) {
        if (a[i] % 3 == 0 && a[i] % 5 == 0) ans += 8;
        if (a[i] % 3 == 0 && a[i] % 5 != 0) ans += 4;
        if (a[i] % 3 != 0 && a[i] % 5 == 0) ans += 4;
        if (a[i] % 3 != 0 && a[i] % 5 != 0) ans += to_string(a[i]).size();
    }

    // Output
    cout << ans << endl;
}