struct Point {
    int x;
    int y;
};

struct Line {
    Point start;
    Point end;
};

int main() {
    auto start = absl::Now();

    vector<Line> lines;
    regex r(R"((\d+),(\d+) -> (\d+),(\d+))");
    smatch base_match;
    for (std::string line; std::getline(std::cin, line);) {
        regex_match(line, base_match, r);
        lines.push_back({.start= {.x=stoi(base_match[1]), .y=stoi(base_match[2])},
                        .end = {.x=stoi(base_match[3]), .y=stoi(base_match[4])}});
    }

    int N = 1000;
    std::vector<int> grid(N * N, 0);

    for (auto l: lines) {
        int r = 0;
        int c = 0;
        int dr = l.start.x == l.end.x ? 0 : l.end.x > l.start.x ? 1 : -1;
        int dc = l.start.y == l.end.y ? 0 : l.end.y > l.start.y ? 1 : -1;
        for (r = l.start.x, c = l.start.y;
             r != l.end.x + dr || c != l.end.y + dc; c += dc, r += dr) {
            grid[r * N + c]++;
        }
    }

    int ans = absl::c_count_if(grid, [](auto n) { return n > 1; });

    cout << ans << endl;
    cout << absl::Now() - start << endl;
    return 0;
}