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#ifndef LOCAL
#pragma GCC optimize("O3")
#pragma GCC target("avx2")
#endif
#ifdef LOCAL
#define _GLIBCXX_DEBUG
#endif
#include <bits/stdc++.h>
#define pb push_back
#define pii pair<int, int>
using ll = long long;
using ci = const int;
using cll = const long long;
using namespace std;
const ll MOD = (1LL << 32);
const int NMAX = 2e3 + 5;
/*******************************/
// INPUT / OUTPUT
#ifndef LOCAL
ifstream in("psir.in");
ofstream out("psir.out");
#define cin in
#define cout out
#endif
/*******************************/
/// GLOBAL DECLARATIONS
int N, M;
ll sol;
int v[NMAX];
inline int aduna(int a, int b)
{
ll suma = 1LL * a + 1LL * b;
if (suma >= MOD) suma -= MOD;
return suma;
}
inline int diff(int a, int b)
{
ll diff = 1LL * a - 1LL * b;
if (diff < 0) diff += MOD;
return diff;
}
struct AIB
{
int n;
vector <int> data;
AIB(){}
AIB(int _n)
{
n = _n;
data.resize(n + 1, 0);
}
inline void update(int pos, int val)
{
while (pos <= n)
{
data[pos] = aduna(data[pos], val);
pos += (pos & (-pos));
}
}
inline int query(int pos)
{
int suma = 0;
while (pos)
{
suma = aduna(suma, data[pos]);
pos -= (pos & (-pos));
}
return suma;
}
};
vector <int> valori;
vector <AIB> aib;
/*******************************/
/// FUNCTIONS
void ReadInput();
void Solution();
void Output();
/*******************************/
///-------------------------------------
inline void ReadInput()
{
cin >> N;
for (int i = 0 ; i < N ; ++ i)
{
cin >> v[i];
valori.push_back(v[i]);
}
}
///-------------------------------------
inline int get_norm(int x)
{
return lower_bound(valori.begin(), valori.end(), x) - valori.begin() + 1;
}
///-------------------------------------
inline void Solution()
{
sort(valori.begin(), valori.end());
valori.erase(unique(valori.begin(), valori.end()), valori.end());
M = valori.size();
aib.resize(N);
for (int i = 0 ; i < N ; ++ i)
aib[i] = AIB(M);
int dp;
for (int i = 0 ; i < N ; ++ i)
{
for (int j = i + 1 ; j < N ; ++ j)
{
dp = 1;
if (v[i] > v[j])
dp = aduna(dp, aib[i].query(get_norm(v[j]) - 1));
else
if (v[i] < v[j])
dp = aduna(dp, diff(aib[i].query(valori.size()), aib[i].query(get_norm(v[j]))));
sol += 1LL * dp;
if (sol >= MOD) sol -= MOD;
aib[j].update(get_norm(v[i]), dp);
}
}
}
///-------------------------------------
inline void Output()
{
cout << sol;
}
///-------------------------------------
signed main()
{
#ifndef LOCAL
ios::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
#endif
ReadInput();
Solution();
Output();
return 0;
}