You are given an **non-decreasing** integer array A of length n. Remove all duplicate elements in A and print it in ascending order.
### Input
- The first line contains an integers n.
- The second line contains n integers Ai.
### Output
- A in ascending order after removing duplicate elements.
### Constraints
- 1≤n≤105.
- |Ai|≤109.
### Example
Input:
5−5−3449
Output:
−5−349