#include <iostream>
using namespace std;
int main() {
int n;
std::cin >> n;
if (n < 1) {
return 0;
}
int* data_n = new int[n];
int sum = 0;
for(int i=0;i<n;i++){
cin >> data_n[i];
sum += data_n[i];
}
sum = sum/n;
cout<<sum<<"\n";
delete[] data_n;
data_n = nullptr;
return 0;
}