n = int(input())
h = list(map(int, input().split()))

ans = []
res = 0

if (n == 1):
  print(0)
else:
  for i in range(n-1):
    if (h[i+1] <= h[i]):
      res += 1
    else:
      res = 0
    
    ans.append(res)
  
  print(max(ans))