Факултет

import java.util.Scanner;
public class Homework {

    public static int mini(int [] a)
    {
        int mini=0;
        for(int i=0;i<a.length-1;i++)
        {
            for(int j=i+1;j<a.length;j++)
            {
                if(a[i] > a[j])
                {
                    int t=a[i];
                    a[i]=a[j];
                    a[j]=t;
                }
            }
        }
        for(int i=0;i<a.length;i++){
            mini+=a[i]*(a.length-i);
        }
        return mini;
    }

    public static void main(String [] args)
    {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        int [] niza = new int[n];
        for(int i=0;i<n;i++)
        {
            niza[i] = in.nextInt();
        }
        in.close();

        System.out.println(mini(niza));
    }
}