#include <cstdio>
#include <algorithm>

#define NMAX 100007

using namespace std;

int n, a[NMAX];
long long Dp[NMAX], Sol[NMAX], Ans;

void solve(int st, int dr) {
    if(st <= dr) {
        int med = (st + dr) / 2;
        for(int i = Dp[st - 1]; i <= min(Dp[dr + 1], 1LL * med); ++i){
            long long Rez = 1LL * a[med] * (n - med + 1) + 1LL * a[i] * (med - i);
            if(Rez >= Sol[med]){
                Dp[med] = i;
                Sol[med] = Rez;
            }
        }
        solve(st, med - 1);
        solve(med + 1, dr);
    }
}

int main(){
    freopen("avioane.in", "r", stdin);
    freopen("avioane.out", "w", stdout);
    scanf("%d", &n);
    for (int i = 1; i <= n; ++i)
        scanf("%d", &a[i]);
    sort(a + 1, a + n + 1);
    Dp[0] = 1;
    Dp[n + 1] = n;
    solve (1, n);
    for (int i = 2; i <= n; ++i)
        Ans = max(Ans, Sol[i]);
    printf("%lld", Ans);
    return 0;
}