#1AC其余全WA求助！！！

#include<bits/stdc++.h>
using namespace std;
long long n,a[11000],ans;
int main(){
	freopen("D:\\Downloads\\P1090_2.in.txt","r",stdin);
    scanf("%lld",&n);
    for (int i=0;i<n;i++) scanf("%lld",&a[i]);
    sort(a,a+n);
    for (int i=1;i<n;i++) a[i]+=a[i-1],ans+=a[i];
    printf("%lld",ans);
    return 0;
}