#include <bits/stdc++.h>
using namespace std;
#define REP(i, n) for(int i=0 ; (i)<(int)(n) ; (i)++)

int main(void){
    int n;
    cin >> n;
    deque<int> a(n);
    REP(i, n) cin >> a.at(i);
    sort(a.begin(), a.end());
    
    long long ans = 0;
    REP(i, (n+1)/2){
        ans += a.at(n-1-i);
        if(n%2 != 0 && i == n/2) continue;
        else ans += a.at(i);
    }
    cout << ans << endl;
}