#include <bits/stdc++.h>

using namespace std;

template <typename T> T gcd(T x, T y) {
  if (y == 0)
    return x;
  return gcd(y, x % y);
}

template <typename T> T lcm(T x, T y) {
  if (x == 0 || y == 0)
    return 0;
  return x / gcd(x, y) * y;
}

int main() {
  int ans = 0;
  for (int i = 0; i < 5; i++) {
    int a;
    cin >> a;
    if (a % 15 == 0)
      ans += 8;
    else if (a % 3 == 0 || a % 5 == 0)
      ans += 4;
    else
      ans += to_string(a).length();
  }
  cout << ans << endl;
}