// editor2
#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;
}