#include <iostream>
using namespace std;
typedef long long ll;

int main()
{
    int n;
    cin >> n;
    int a[200005];
    for (int i = 0; i < n; i++)
    {
        cin >> a[i];
    }
    ll ans = 0;
    int h = 0;
    for (int i = 1; i < n; i++)
    {
        if (a[i] > a[i - 1])
        {
            h++;
        }
        else
        {
            ans += h;
        }
    }
    cout << ans << endl;
}