def switch(list,x): y=list.pop(list.index(x)) list.insert(0,y) return list N=int(input()) list=list(map,(int,input().split)) cnt=0 #print(list) for i in range(N): #print(list[-1:],N-i) if list[-1:]==N-i: continue else: index=list.index(N-i) new_list=list[index+1:] for j in new_list: #print("new",new_list) list=switch(list,max(new_list)) new_list.remove(max(new_list)) cnt+=1 #print(cnt,list) list.remove(N-i) #print(list) print(cnt)