#include<iostream>
using namespace std;
class Statistics {
    public:
    int n;
    int a[10];
    double mean;
    Statistics(int n,int arr[]) {
        this->n=n;
        long long s=0;
        for(int i=0;i<n; ++i) {a[i]=arr[i]; s +=arr[i];}
        mean=(double)s /n;
    }
    Statistics(const Statistics &o) {
        n=o.n;
        mean =o.mean;
        for (int i=0; i<n; ++i) a[i] = o.a[i];
    }
};
int main() {
    int n;
    cin>>n;
    if(n<0) {cout<<"Invalid input"; return 0;}
    
    int arr[10];
    for (int i=0;i<n; ++i) cin>>arr[i];
    statistics s1(n,arr);
    statistics s2(s1);
    cout<<(int)s2.mean;
}