Read different types of data from standard input, process them as shown in output format and print the answer to standard output.

Input format:
First line contains integer N.
Second line contains string S.

Output format:
First line should contain N x 2.
Second line should contain the same string S.

Constraints:
$0 \le N \le 10$
$1 \le |S| \le 15$ where S length of string S