[Baekjoon] #11399 ATM

import java.util.Arrays;
import java.util.Scanner;

//Q) ATM #11399
public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		
		int n = sc.nextInt();
		int[] p = new int[n];
		for(int i=0;i<n;i++){
			p[i] = sc.nextInt();
		}
		
		int result =0;
		
		Arrays.sort(p);
		for(int i=0;i<p.length;i++){
			for(int j=0;j<=i;j++){
				result+=p[j];
			}
		}
		
		System.out.println(result);
	}
}