> #include<iostream>
> #include<cstdlib>
> #include<cstdio>
> #include<algorithm>
> using namespace std;
> const int maxn=10000+10;
> int p[maxn]; 
> int main(){
>     int n;
>     cin>>n;
>     for(int i=0;i<n;i++)
>     cin>>p[i];
>     sort(p,p+n);
>     cout<<p[n/2];
>     
>     return 0;
> }