#include<iostream>
#include<cstdio>
#include<queue>
using namespace std;
int n;
priority_queue<int,vector<int>,greater<int> >h;
int main()
{
	freopen("fruit.in","r",stdin);freopen("fruit.out","w",stdout);
	int i,x,y,ans=0;
	scanf("%d",&n);
	for(i=1;i<=n;i++)
	{
		scanf("%d",&x);
		h.push(x);
	}
	for(i=1;i<n;i++)
	{
		x=h.top();
		h.pop();
		y=h.top();
		h.pop();
		ans+=x+y;
		h.push(x+y);
	}
	printf("%d",ans);
	return 0;
	fclose(stdin);fclose(stdout);
}