#include <iostream>
using namespace std;
int main() {
	int n, a[1000], median;
	cin >> n;
	for (int i = 0; i < n; i++) {
		cin >> a[i];
	}
	for (int i = 0; i < n; i++) {
		for (int j = n - 1; j >= 0; j--) {
			if (a[j] > a[j + 1]) {
				int swap = a[j + 1];
				a[j + 1] = a[j];
				a[j] = swap;
			}
		}
	}
	int middle=n/2;
	if (n % 2 == 0) {
		median = a[middle];
	}
	else {
		median = (a[middle] + a[middle + 1]) / 2;
	}
	cout << median << endl;
}