#A masalada

#include <iostream>
using namespace std;
int main(){
  int N;
  cin >> N;
  int res=0;
  for(int i=0;i<N;i++){
    int a;
    cin >> a;
    res+=a;
  }
  cout << res/N;
}

#B masalada

#include <iostream>
#include <vector>
using namespace std;

int main() {
    int N, A, B;
    cin >> N >> A >> B;
    
    vector<int> arr(N);
    for (int i = 0; i < N+1; ++i) {
        cin >> arr[i];
    }
    int re=arr[N];
    bool changed = false;
    for (int i = 0; i < N+1; ++i) {
        if (arr[i] < A || arr[i] > B) {
            if (changed) {
                cout << "ERROR" << endl;
                return 0;
            }
            arr[i] = B;
            changed = true;
        }
    }

    if (!changed) {
        cout << "ERROR" << endl;
        return 0;
    }
    
    cout << arr[N] << endl;
    cout << re;

    return 0;
}

#C