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

typedef unsigned long long ull;

inline ull testn(vector<int> &ns, ull b) {
	ull v = ns[0];
	for (int i = 1; i < ns.size(); i++) {
		if (b & 1) {
			v += ns[i];
		} else {
			v *= ns[i];
		}
		b >>= 1;
	}
	return v;
}

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);

	ull sum = 0;
	string line;
	while (getline(cin, line) && !line.empty()) {
		istringstream l(line);
		ull n;
		int a;
		vector<int> ns;
		l >> n;
		l.ignore();
		while (l >> a) {
			ns.push_back(a);
		}

		ull btot = 1 << (ns.size() - 1);
		for (ull b = 0; b <= btot; b++) {
			if (testn(ns, b) == n) {
				sum += n;
				break;
			}
		}
	}

	cout << sum << '\n';
}