#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, arr[1000];
  cin >> n;
  for (int i = 0; i < n; i++) {
    cin >> arr[i];
  }
  sort(arr, arr + n);
  if (n == 1)
    cout << arr[0];
  else if (n == 3 || n == 5)
    cout << arr[(n / 2)];
  else
    cout << arr[(n / 2) - 1];
  return 0;
}
