from sys import stdin

N = int(stdin.readline().rstrip())
As = [int(x) for x in stdin.readline().rstrip().split()]

A_mat = []
for i,A in enumerate(As):
    A_mat.append([A,i])

A_mat.sort(reverse=True)

map1 = []

for i in range(N+1):
    temp = [-1]*(N+1)
    map1.append(temp)



def DP(x, y): #Asのなかからx+y個の数列をすでに端に移動していて、x個左端に, y個右端に移動している状態から始めたときに追加で得られるスコア
    if map1[x][y]>=0:
        return map1[x][y]
    
    if x+y == N:
        return 0

    a_val = A_mat[x+y][0]
    a_pos = A_mat[x+y][1]

    left_case = abs(a_pos-x)
    right_case = abs((N-y-1)-a_pos)

    map1[x][y] = max(DP(x+1,y)+left_case*a_val, DP(x,y+1)+right_case*a_val)

    return map1[x][y]

print(DP(0,0))
    