Price labels#2661
The company "Black Label" has received two orders for manufacturing supermarket price labels. Each order specifies the number of labels and the prices to be printed. Output all the unique prices that will be printed on the labels after completing both orders. Each price should appear only once.
The first line contains the number n~(n \le 10^5) — the number of price labels for the first supermarket. The second line contains a list of prices to be printed for the first supermarket, separated by spaces. The third line contains the number m~(m \le 10^5) — the number of price labels for the second supermarket. The fourth line contains a list of prices to be printed for the second supermarket, separated by spaces. All numbers are integers and do not exceed 10^9.
Output the unique prices that will be printed on the labels, each price only once. The prices should be printed in ascending order.
Пример 1