#include <iostream> #include <algorithm> using namespace std; bool cmp(int a,int b){ return a>b; } int main() { long long n,a[100000],ans=0; cin>>n; for (int i = 0; i < n; i++){ cin>>a[i]; } sort(a,a+n,cmp); while (n!=1){ ans+=a[n-1]+a[n-2]; a[n-2]=ans; sort(a,a+n,cmp); n--; } cout<<ans<<endl; return 0; }