#include <bits/stdc++.h>
using namespace std;
int n,a[10005];
int main()
{
	cin >> n;
	for (int i = 1;i <= n;i++)
	{
		cin >> a[i];
	}
	sort(a + 1,a + n + 1);
	long long sum = 0;
	for (int i = 1;i <= n;i++)
	{
		sum += 5 + i - 1;	
	}
	cout << a[n] * (4 + 6) + sum;
}