#include <bits/stdc++.h>
#define FOR(i,a,b) for(int i = (a); i < (b); ++i)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) for(int i = (n) - 1; (i) >= 0; --i)
#define SZ(n) (int)(n).size()
#define ALL(n) (n).begin(), (n).end()
#define MOD LL(1e9 + 7)
#define INF 1000000
using namespace std;
typedef long long LL;
typedef vector<int> VI;
typedef pair<int, int> PI;


int main() {
	int sum = 0;
	REP(i, 5) {
		int a;
		cin >> a;
		if (a % 3 == 0 && a % 5 == 0) sum += 8;
		else if (a % 3 == 0 || a % 5 == 0) sum += 4;
		else {
			string t = to_string(a);
			sum += t.size();
		}
	}
	cout << sum << endl;
	return 0;
}