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

int main()
{
	string s;
	for( int i = 0; i < 5; i++ ) {
		int a;
		cin >> a;
		if( a % 3 == 0 && a % 5 == 0 ) s += "FizzBuzz";
		else if( a % 3 == 0 ) s += "Fizz";
		else if( a % 5 == 0 ) s += "Buzz";
		else {
			char n[16];
			sprintf( n, "%d", a );
			s += n;
		}
	}

	cout << s.size() << endl;
}