PROGRAMMING:Lonely number
"This problem will come out in the time of changing women's clothes."
Zup gives you 2n + 2 numbers each time. Except for two of them, every other number appears twice. Find these two numbers and output them in ascending order.
###Input format:
Enter the number of $$2n + 2 $$a_{ i} $$, the title is guaranteed to be $$2 / Leq n / Leq 50000,1 / Leq a_{ i} \leq 10^{100}$$。
###Output format:
Ascending output does not appear twice these two numbers.
###Input example:
```in
1 2 2 3 4 4 5 3
```
###Output example:
The corresponding output is given here. For example:
```out
1 5
```
answer：If there is no answer, please comment
Zup gives you 2n + 2 numbers each time. Except for two of them, every other number appears twice. Find these two numbers and output them in ascending order.
###Input format:
Enter the number of $$2n + 2 $$a_{ i} $$, the title is guaranteed to be $$2 / Leq n / Leq 50000,1 / Leq a_{ i} \leq 10^{100}$$。
###Output format:
Ascending output does not appear twice these two numbers.
###Input example:
```in
1 2 2 3 4 4 5 3
```
###Output example:
The corresponding output is given here. For example:
```out
1 5
```
answer：If there is no answer, please comment