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

#define rep(i,n) for(int i=0;i<(n);i++)
#define reps(i,f,n) for(int i=(f);i<(n);i++)

int main(int argc, char const *argv[])
{
	int a[5];
	rep(i, 5) cin >> a[i];
	string str = "";
	rep(i, 5) {
		if (a[i] % 15 == 0) str += "FizzBuzz";
		else if (a[i] % 3 == 0) str += "Fizz";
		else if (a[i] % 5 == 0) str += "Buzz";
		else str += to_string(i);
	}
	// cout << str << endl;
	printf("%d\n", str.size());
	return 0;
}