Unique Numbers Extraction

You are given a list of integers. Your task is to extract all the numbers that appear exactly once and output them in ascending order.

In mathematical terms, given an array \( A = [a_1, a_2, \dots, a_n] \), find all \( x \) such that the frequency \( f(x)=1 \), and then output the sorted list \( \{ x \mid f(x)=1\} \).

If no such numbers exist, output an empty line.

Example:

Input:
9
4 5 7 5 8 9 7 4 10
Output:
8 9 10

</p>

inputFormat

The input is given via standard input.

The first line contains an integer \(N\) representing the number of elements in the list. The second line contains \(N\) space-separated integers.

Note: If \(N = 0\), the second line might be empty.

outputFormat

Output the unique numbers (those that appear exactly once) in ascending order on a single line, separated by a space. If there are no unique numbers, output an empty line.

## sample

9
4 5 7 5 8 9 7 4 10

8 9 10