class HalfLoop {
    public static void main(String[] arguments) {
        int[] denver = { 15000006, 18810000, 20752110 };
        int[] philadelphia = { 15020000, 18708000, 21348000 };
        int[] total = new int[denver.length];
        int sum = 0;
        
        for (int i = 0; i < denver.length; i++) {
            total[i] = denver[i] + philadelphia[i];
            System.out.println((i + 1993) + " production: "
                + total[i]);
            sum += total[i];
        }

        System.out.println("Average production: "
            + (sum / denver.length));
    }
}