void solve3() {
        NHL nhl = new NHL(in);
        int count = 0;
        for (int i = 1230*2; i < 1230*3; i++) {
            Match m = nhl.getMatch(i);
            if (m.score.total == 7) {
                count++;
            }
        }
        out.println(count / 1230.0);
    }