Car keyless entry system attack

int main() {
    int n;
    cin >> n;
    while (n--) {
        int i, x, y;
        cin >> i >> x >> y;
        cout << "Case " << i << ": " << (((x + y) % 2 == 0) ? (x + y) / 2 : (x + y) / 2 + 1) << endl;
    }
    return 0;
}