https://www.e-olymp.com/az/problems/928

/*
    Author: Kanan Asgarli
    https://www.e-olymp.com/az/problems/928
*/
#include <iostream>
#include <algorithm>
using namespace std;
int n, a[100];
int main()
{
    cin>>n;
    for(int i = 0; i < n; i++){
        cin>>a[i];
    }
    sort(a,a+n);
    cout<<a[0]+a[n-1]<<endl;

    return 0;
}