#include<cstdio>
#include<queue>
using namespace std;
int main()
{
    int n;
    priority_queue< int,vector<int>,greater<int> > v;
    //priority_queue< int,vector<int>,less<int> > v;//大根堆
    while(scanf("%d",&n)!=EOF)
    {
        int temp;
        long long num=0;
        for(int i=1;i<=n;++i)
        {
            scanf("%d",&temp);
            v.push(temp);
        }
        while(--n)
        {
            int num1=v.top();
            v.pop();
            int num2=v.top();
            v.pop();
            v.push(num1+num2);
            num=num1+num2+num;
        }
        while(!v.empty())
        {
            v.pop();
        }
        printf("%lld\n",num);
    }
    return 0;
}