#include <iostream>
#include <string>
using namespace std;


int main()
{
	int n;
	int sum = 0;

	for (int i = 0; i < 5; i++) {

		cin >> n;

		if (n % 15 == 0) {
			sum += 8;
		}

		else if (n % 3 == 0) {
			sum += 4;
		}

		else if (n % 5 == 0) {
			sum += 4;
		}

		else {
			sum += to_string(n).size();
		}
	}
	cout << sum << endl;

	return 0;
}