#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main() {
int n;
cin >> n;
vector<int> a(n);
for(int i=0 ; i<n ; i++)
cin >> a[i];
if(n==1) {
cout << 0 << endl;
return 0;
}
if(n==2) {
cout << a[0]+a[1] << endl;
return 0;
}
sort(a.begin() , a.end());
int sum = 0;
sum += a[n-1];
sum += a[n-2];
for(int i=0 ; i<n-2 ; i++)
sum += 2*a[i];
cout << sum << endl;
return 0;
}
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