Given an array of length ~N~, remove all duplicates in the array and then print it out, sorted in ascending order.

Input Specification

The first line will contain integer ~N~ ~(1 \leq N \leq 8)~, the size of the array.

The next line will contain array ~a~, the array that you need to remove the duplicates from. It is guaranteed that each element of the array will not be larger than ~8~.

Output Specification

The same array without the duplicate elements, printed on one line, each element separated by spaces.

Sample Input 1

5
1 2 2 3 4

Sample Output 1

1 2 3 4

Sample Input 2

6
1 2 1 3 4 6

Sample Output 2

1 2 3 4 6