#include<stdio.h>
#include<string.h>
#include<queue>
#include<algorithm>
using namespace std;
priority_queue< int, vector<int>, greater<int> >Q;//greater改为less即为由大到小排列 
int main()
{
	int n,x,ans;
	while(scanf("%d",&n)!=EOF)
	{
		ans=0;
		while(!Q.empty()) Q.pop();
		for(int i=0;i<n;i++)
		{
			scanf("%d",&x);
			Q.push(x);
		}
		while(Q.size()>1)
		{
			int a=Q.top();Q.pop();
			int b=Q.top(); Q.pop();
			ans+=a+b;
			Q.push(a+b);
		}
		printf("%d\n",ans);
	}
    return 0;
}