stlyyds

#include<bits/stdc++.h>
using namespace std;

int n, t, a, b;
long long res;
priority_queue<int, vector<int>, greater<int>> h;

int main()
{
    cin >> n;
    while(n --) cin >> t, h.push(t);
    while(h.size() - 1)
    {
        a = h.top(), h.pop();
        b = h.top(), h.pop();
        res += (long long)a + (long long)b;
        h.push(a + b);
    }
    cout << res;
}