#include "bits/stdc++.h"

using namespace std;

using ll = long long;
using ld = long double;

const int INF = (1 << 30) - 1;
const ll INF64 = ((ll)1 << 62) - 1;
const double PI = 3.1415926535897932384626433832795;

const int dx[] = { 0, 1, 0, -1 };
const int dy[] = { -1, 0, 1, 0 };

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

	string ans = "";
	for (int i = 0; i < 5; i++) {
		int a;
		cin >> a;
		ans += [=]() -> string {
			if (a % 3 == 0 && a % 5 == 0) {
				return "FizzBuzz";
			} else if (a % 3 == 0) {
				return "Fizz";
			} else if (a % 5 == 0) {
				return "Buzz";
			}
			return to_string(a);
		}();
	}

	cout << ans.size() << endl;
	return 0;
}