#include <bits/stdc++.h>
using namespace std;

int main() {
  int n, b, ans;
  vector<int> a;

  cin >> n;
  for (int i = 0; i < n; i++) {
    cin >> b;
    a.push_back(b);
  }
  sort(a.begin(), a.end());
  if (n % 2 == 0) {
    cout << (a[n / 2 - 1] + a[n / 2]) / 2 << endl;
  } else {
    cout << a[n / 2] << endl;
  }
}