class TallrekkeC {
    public static void main(String[] args) {
        int[] tall = new int[10];

        for (int i = 0; i < tall.length; i++) {
            tall[i] = i;
        }

        int sum = 0;
        for (int i = 0; i < tall.length; i++) {
            sum += tall[i];
            System.out.println(tall[i] + " " + sum);
        }
    }
}