def main(): from math import sqrt,sin,cos,tan,ceil,radians,floor,gcd,exp,log,log10,log2,factorial,fsum from heapq import heapify, heappop, heappush from bisect import bisect_left, bisect_right from copy import deepcopy import copy import random from collections import deque,Counter,defaultdict from itertools import permutations,combinations from decimal import Decimal,ROUND_HALF_UP #tmp = Decimal(mid).quantize(Decimal('0'), rounding=ROUND_HALF_UP) from functools import lru_cache, reduce #@lru_cache(maxsize=None) from operator import add,sub,mul,xor,and_,or_,itemgetter INF = 10**18 mod1 = 10**9+7 mod2 = 998244353 #DecimalならPython ''' ''' N = int(input()) A = list(map(int, input().split())) ls = [] for i in range(N-1): if A[i]<=A[i+1]: ls.append('<') else: ls.append('>') cnt = 0 ans = 0 for i in range(N-1): if ls[i] == '>': ans += i-cnt cnt += 1 print(ans) if __name__ == '__main__': main()