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

typedef long long ll;

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

	ll total = 0;

	while (!cin.eof()) {
		int ax, ay, bx, by;
		ll px, py;
		cin.ignore(12);
		cin >> ax;
		cin.ignore(4);
		cin >> ay;
		cin.ignore(13);
		cin >> bx;
		cin.ignore(4);
		cin >> by;
		cin.ignore(10);
		cin >> px;
		cin.ignore(4);
		cin >> py;
		cin.ignore(2);

		px += 10000000000000;
		py += 10000000000000;

		ll bd = bx * ay - by * ax;
		ll pd = px * ay - py * ax;
		if (pd % bd != 0) {
			continue;
		}
		ll b = pd / bd;
		ll a = (px - bx * b) / ax;
		total += a * 3 + b;
	}

	cout << total << '\n';
}