11399 : ATM

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

public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int size = sc.nextInt();
		int sum = 0;

		int[] arr = new int[size];

		for (int i = 0; i < size; i++) {
			arr[i] = sc.nextInt();
		}

		Arrays.sort(arr);

		for (int i = 0; i < size; i++) {
			for (int j = 0; j <= i; j++) {
				sum += arr[j];
			}
		}

		System.out.println(sum);
	}

}