#include <bits/stdc++.h>
#include <atcoder/all>

using namespace std;
using namespace atcoder;

#define ll long long


void solve()
{
    int n; cin >> n;
    vector<int> a(n);
    for(int i=0; i<n; ++i) cin >> a[i];

    int r = 0;
    ll answer = 0;
    for (int i=1; i<n; ++i)
    {
        if (a[i] > a[i-1]) r++;
        else answer += (ll)r;
    }
    cout << answer << "\n";
}


int main()
{
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);

    int t = 1;
    // std::cin >> t;
    while (t--)
        solve();

    return 0;
}