#include <iostream>
#include <algorithm>
using namespace std;

int main(int argc, char** argv) {
	int n;
	int fruits[10000] = {0};//直接初始化全为0
	int strength = 0;
	
	cin >> n;	
	for (int i = 0; i < n; i++) {
		cin >> fruits[i];
	}
	sort(fruits, fruits + n);
	for(int i = 0; i < n-1; i++){
		fruits[i+1] += fruits[i];
		strength += fruits[i+1];
		int j = i + 2, temp = fruits[i+1];
		while(true){
			if (fruits[j] > fruits[i+1] || j > n-1)	{
				break;
			}
			j++;
		} 
		for(int k = i+1; k < j-1; k++){
			fruits[k] = fruits[k+1];
		}
		fruits[j-1] = temp;
	}
	
	cout << strength << endl;
	
	return 0;
}