n = int(input())
p = list(map(int, input().split()))
rounds = sorted([(p[i], i + 1) for i in range(n)], key=lambda x: -x[1])
a = sorted(range(1, n + 1), reverse=True)
pointer = 0
ans = 0

for pi, i in rounds:
    if pointer < len(a) and a[pointer] > pi:
        ans += i
        pointer += 1
    else:
        if a and a[-1] < pi:
            ans -= i
        a.pop()

print(ans)