import sys
input = sys.stdin.readline
from collections import *

N = int(input())
A = list(map(int, input().split()))
Ai = [(A[i], i) for i in range(N)]
Ai.sort()
s = set()
ans = 0

for _, i in Ai:
    if i+1 not in s:
        ans += 1
        s.add(i)

print(ans)