DMOPC '19 Contest 3 P1 - Mode Finding

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Points: 5
Time limit: 2.0s
Memory limit: 256M

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Problem type

You are given N numbers, a_1, a_2, \dots, a_N. Output all the modes of this list on a single line from least to greatest. The mode of a list is/are the value(s) that appear(s) the most times relative to the other values in the list. It is guaranteed that at least one mode exists.

Constraints

In all tests,
1 \le N \le 10^6
-10^5 \le a_i \le 10^5

Input Specification

The first line contains one number, N.
The second line contains N spaced integers, a_i, the numbers in this list.

Output Specification

On one line, output the modes of the N numbers in increasing order.

Sample Input

10
9 2 9 6 8 7 1 3 9 6

Sample Output

9

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