#include<iostream>
#include<algorithm>
using namespace std;
int main(){
  int N, i;
  int A[1000];
  cin >> N;
  for(i = 0; i < N; i++){
      cin >> A[i];
  }
  sort(begin(A),end(A));
  if(N % 2 == 0)cout <<(A[N/2] + A[(N/2)-1]) / 2  << endl;
  else cout << A[(N/2)]  << endl;
  return 0;
}