// editor3
#include <iostream>
using namespace std;
class Stats
{
    public:
    int n;
    int no;
    int mean;
    Stats(int arr[],n)
    {
        int sum=0;
        for(int i = 0 ; i < n ; i++)
        {
            sum+=arr[i];
        }
        mean = sum/n;
    }
    Stats(const Stats &s)
    {
        mean = s.mean;
    }
    void display()
    {
        cout<<mean;
    }
};
int main()
{
    int n;
    cin>>n;
    if(n < 0)
    {
        cout<<"Invalid input";
        return 0;
    }
    int arr[n];
    for(int i = 0 ; i < n ; i++)
    {
        Stats s1(arr,n);
        Stats s2 = s1;
        s2.display();
        return 0;
    }
}