44 lines
642 B
C++
44 lines
642 B
C++
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#include <bits/stdc++.h>
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using namespace std;
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typedef long long ll;
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int main() {
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ios::sync_with_stdio(0);
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cin.tie(0);
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ll total = 0;
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while (!cin.eof()) {
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int ax, ay, bx, by;
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ll px, py;
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cin.ignore(12);
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cin >> ax;
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cin.ignore(4);
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cin >> ay;
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cin.ignore(13);
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cin >> bx;
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cin.ignore(4);
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cin >> by;
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cin.ignore(10);
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cin >> px;
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cin.ignore(4);
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cin >> py;
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cin.ignore(2);
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px += 10000000000000;
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py += 10000000000000;
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ll bd = bx * ay - by * ax;
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ll pd = px * ay - py * ax;
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if (pd % bd != 0) {
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continue;
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}
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ll b = pd / bd;
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ll a = (px - bx * b) / ax;
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total += a * 3 + b;
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}
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cout << total << '\n';
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}
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