n = int(input())
a = [int(x) for x in input().split()]
b = [2 for x in range(n)]
for i in range(1, n - 1):
  if (a[i] < a[i - 1]) and (a[i] < a[i + 1]):
    b[i] = b[i - 1] + 1
  elif (a[i] > a[i - 1]) and (a[i] > a[i + 1]):
    b[i] = b[i - 1] + 1
print(min(n, max(b)))