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

int main()
{
    int a, p = 0;
    for (int i = 0; i < 5; i++)
    {
        cin >> a;
        if (a % 3 == 0)
            p += 4;
        if (a % 5 == 0)
            p += 4;
        if (a % 3 != 0 && a % 5 != 0)
            p += to_string(a).size();
        }
    cout << p << endl;
}