#include<iostream>
using namespace std;
class sta
{
    public:
        int n;
        int a[10];
        double mean;
        sta(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;
        }
        sta(const sta&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];
    sta s1(n,arr);
    sta s2(s1);
    cout<<(int)s2.mean;
}