#include <bits/stdc++.h>
#define rep(i, ss, ee) for (int i = ss; i < ee; ++i)
using namespace std;

int anotherFizzBuzz(int x) {
  if (x % 15 == 0) return 8;
  if (x % 3 == 0 and x % 5 != 0) return 4;
  if (x % 3 != 0 and x % 5 == 0) return 4;
  return log10(x) + 1;
}

void solve() {
  int x, ans = 0;
  rep(i, 0, 5) {
    cin >> x;
    ans += anotherFizzBuzz(x);
  }
  cout << ans << endl;
}

int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  solve();
}