#include <bits/stdc++.h>

using namespace std;

int a[10];

int GetDigit(int num) {
	int digit = 0;
	while (num != 0) {
		num /= 10;
		digit++;
	}
	return digit;
}

int main() {
	int ans = 0;
	for (int i = 0; i < 5; i++) {
		cin >> a[i];
		if (a[i] % 3 == 0 && a[i] % 5 == 0) {
			ans += 8;
		} else if (a[i] % 3 == 0) {
			ans += 4;
		} else if (a[i] % 5 == 0) {
			ans += 4;
		} else {
			ans += GetDigit(a[i]);
		}
	}
	cout << ans << endl;
}