#include<bits/stdc++.h>

using namespace std;

long long n = 0 , a[ 10010 ] = {0};
long long ans = 0;

int main() {

	cin >> n;
	for ( int i = 0 ; i < n ; i++ ) {
		cin >> a[i];
	}
	
	for(int i = 0 ; i < n - 1 ; i++ )
	{
		sort( a , a + n );
		ans += a[0] + a[1];
		a[0] += a[1];
		a[1] = 10000000;
	}

	cout << ans;
    return 0;
}

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