#include <iostream>
using namespace std;

int getLength(int x) {
	int ret = 0;
	while (x > 0) {
		ret++;
		x /= 10;
	}
	return ret;
}

int main() {
	int i, a;
	int ans = 0;
	
	for (i = 0; i < 5; i++) {
		cin >> a;
		if (a % 15 == 0) ans += 8;
		else if (a % 3 == 0) ans += 4;
		else if (a % 5 == 0) ans += 4;
		else ans += getLength(a);
	}
	cout << ans << endl;
	return 0;
}