#include <bits/stdc++.h>
using namespace std;
#define pii pair<long long, long long>
#define ppii pair<pii, pii>
#define tiii tuple<long long, long long, long long>
#define g0 get<0>
#define g1 get<1>
#define g2 get<2>
#define f first
#define s second
#define pb push_back
const long long N = 5005;
const long long 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<long long, null_type,less<long long>, rb_tree_tag,tree_order_statistics_node_update>
vector<long long> compress(vector<long long> b, long long n) {
map<long long, long long> m;
vector<pii> c(n);
for (long long i = 0; i < n; i++) {
c[i] = {b[i], i};
}
sort(c.begin(), c.end());
long long cr = 0;
for (long long i = 0; i < n; i++) {
if (m.count(c[i].f)) b[c[i].s] = m[c[i].f];
else {
b[c[i].s] = cr;
m[c[i].f] = cr;
cr++;
}
}
return b;
}
signed main() {
// freopen("in.in", "r", stdin);
ios_base::sync_with_stdio(false);
cin.tie(0);
long long n; cin >> n;
vector<long long> b(n);
map<long long, vector<long long>> a;
for (long long i = 0; i < n; i++) {
cin >> b[i];
}
b = compress(b, n);
for (long long i = 0; i < n; i++) {
a[b[i]].pb(i);
}
ordered_set ss;
long long ans = 0;
for (auto i : a) {
for (long long j : i.s) {
long long k = ss.order_of_key(j);
ans += k*(ss.size()-k);
}
for (long long j : i.s) {
ss.insert(j);
}
}
cout << ans;
}
