ABC139 C - Lower


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))


n == 1