INF = 1 << 60

def cross(ux, uy, vx, vy):
  return vy * ux - vx * uy

n = int(input())
points = [list(map(int, input().split())) for _ in range(n)]

points.sort()

conv = []
for i in range(n):
  x, y = points[i]
  while len(conv) >= 2:
    ux = conv[-2][0] - conv[-1][0]
    uy = conv[-2][1] - conv[-1][1]
    vx = conv[-1][0] - x
    vy = conv[-1][1] - y
    if cross(ux, uy, vx, vy) > 0:
      conv.pop()
    else:
      break

  conv.append((x, y))

for i in range(len(points) - 2, -1, -1):
  x, y = points[i]
  while len(conv) >= 2:
    ux = conv[-2][0] - conv[-1][0]
    uy = conv[-2][1] - conv[-1][1]
    vx = conv[-1][0] - x
    vy = conv[-1][1] - y
    if cross(ux, uy, vx, vy) > 0:
      conv.pop()
    else:
      break

  conv.append((x, y))

conv.pop()

ans = - INF

if len(conv) == 3:
  for c in range(n):
    if tuple(points[c]) in conv:
      continue
    xc, yc = points[c]
    q = []
    for d in range(3):
      xi, yi = conv[d]
      xj, yj = conv[(d + 1) % 3]
      area = abs((yj - yc) * (xi - xc) - (xj - xc) * (yi - yc))
      q.append(area)

    q.sort()
    ans = max(ans, q[-2] + q[-1])

  print(ans)
  exit()

for l in range(len(conv)):
  xl, yl = conv[l]
  for j in range(len(conv) - 3):
    mid = (l + j + 2) % len(conv)
    xm, ym = conv[mid]
    al = - INF
    ar = - INF
    flg = False
    for k in range(len(conv) - 1):
      r = (l + k + 1) % len(conv)
      if r == mid:
        flg = True
        continue
      xr, yr = conv[r]
      area = abs((yr - yl) * (xm - xl) - (xr - xl) * (ym - yl))
      if flg:
        ar = max(ar, area)
      else:
        al = max(al, area)

    ans = max(ans, al + ar)

print(ans)