void solve2() {
        NHL nhl = new NHL(in);
        int[] totals = new int[30];
        for (Match m : nhl.matches) {
            totals[m.score.total]++;
        }
        for (int i = 0; i < totals.length; i++) {
            if (totals[i] != 0) {
                out.println(i + " -> " + totals[i]
                        / (nhl.getAmountMatches() + 0.0));
            }
        }
    }