find the pattern

/*
The pattern challenge is back again with more complexity. Can you solve it??

Input 1:


3

2224 5262 223
Output 1:

5485
Input 2:


11

170 368 472 298 22 139 370 1061 162 1073 491
Output 2:

1095
SAMPLE INPUT 
3
2224 5262 223
SAMPLE OUTPUT 
5485
*/

#include <bits/stdc++.h>
using namespace std;

int main()
{
    int n; 
    cin>>n;
    long long a[n];
    for(int i=0;i<n;i++) cin>>a[i];
    sort(a,a+n);
    cout<<a[n-1]+a[0];
}