delka = int(input())
pole= list(map(int, input().split(" ")))
prohoz = 0
for n in range(len(pole)-1, -1, -1):
	temp = 0
	maximum = 0
	index = 0
	for m in range(n,-1,-1):
		if pole[m]>maximum:
			maximum=pole[m]
			index = m
	if index !=n:
		prohoz+=1
	temp = pole[n]
	pole[n] = pole[index]
	pole[index] = temp
print(str(prohoz))