Masha, Dasha and Misha collect cards with numbers. Each of them already has n cards. Each card has a number not exceeding
10. Are you interested in what numbers occur in no more than two of the guys?
Write a program to find the answer to this question.
Input data
The first line contains a natural number n - the number of cards each child has. Each of the following three lines contains n positive numbers, not exceeding 10, separated by a space. In the second line - the numbers on Masha's cards, in the third - Dasha, in the fourth - Misha.
Imprint data
Print one line - a set of numbers in ascending order, separated by spaces, which occur in no more than two of the guys.
Examples
| # |
Input |
Output |
| 1 |
4
0 8 9 5
6 7 3 7
4 3 5 5
|
0 3 4 5 6 7 8 9
|
| 2 |
3
1 2 3
1 2 3
4 5 6
|
1 2 3 4 5 6
|