171229_11399_ATM

//https://www.acmicpc.net/problem/11399

#include <iostream>

#include <algorithm>

using namespace std;

int time1[1000];

int main()

{

int n,ans;

cin >> n;

for(int i=0; i<n; i++)

cin >> time1[i];

sort(time1, time1+n);

ans=0;

for(int i=0; i<n; i++)

ans+=time1[i]*(n-i);

cout << ans;

}