#include <bits/stdc++.h>
using namespace std;
#define pii pair<int, int>
#define ppii pair<pii, pii>
#define tiii tuple<int, int, int>
#define g0 get<0>
#define g1 get<1>
#define g2 get<2>
#define f first
#define s second
#define pb push_back
const int N = 5005;
const int MOD = 1e9+7;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
signed main() {
// freopen("in.in", "r", stdin);
ios_base::sync_with_stdio(false);
cin.tie(0);
int n; cin >> n;
map<int, vector<int>> a;
for (int i = 0; i < n; i++) {
int j; cin >> j;
a[j].pb(i);
}
ordered_set ss;
long long ans = 0;
for (auto i : a) {
for (int j : i.s) {
int k = ss.order_of_key(j);
ans += k*(ss.size()-k);
}
for (int j : i.s) {
ss.insert(j);
}
}
cout << ans;
}
