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

korale = korale + korale
N = 2 * n

dp = [0] * N
stos = []

for i in range(N - 1, -1, -1):
    while stos and korale[stos[-1]] <= korale[i]:
        stos.pop()
    
    if not stos:
        dp[i] = 1
    else:
        dp[i] = 1 + dp[stos[-1]]
    
    stos.append(i)

wynik = 0
for i in range(n):
    wynik = max(wynik, dp[i])

print(wynik)