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#include<bits/stdc++.h>
using namespace std;
int main () {
int n,i,j,sum=0,t;
scanf("%d",&n);
int a[n];
for(i=0; i<n; i++)
scanf("%d",&a[i]);
while(n!=1) {
for(i=0; i<n-1; i++)
for(j=i+1; j<n; j++) {
if(a[i]<a[j]) {
int t=a[i];
a[i]=a[j];
a[j]=t;
}
}
t=a[n-1]+a[n-2];
sum+=t;
a[n-2]=t;
n--;
}
printf("%d\n",sum);
return 0;
}