package timus;
import java.util.Scanner;
/**
* Created by sherxon on 12/6/16.
*/
public class TearsofDrowned1935 {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
int n=in.nextInt();
int sum=0;
int max=0;
for (int i = 0; i < n; i++) {
int k=in.nextInt();
sum+=k;
if(max<k)max=k;
}
System.out.println(sum+max);
}
}