try:	
	delka = input()
	while delka!="":
		delka=int(delka)
		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(prohoz)
		delka=input()
except:
	EOFError