def solve():
    al, tl = [], []
    n = int(input())
    for j in input().split():
        i = int(j)
        al.append(i)
        tl.append(i)
    
    tl.sort()
    res = n
    for j in range(n-1, -1, -1):
        if(tl[res-1] == al[j]):
            res -= 1
    print(res)

if __name__=="__main__":
    solve()