#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
typedef long long ll;
const int MAX = 3e5 + 2;
const int MOD = 1e9 + 7;
ll a[MAX], fact[MAX], n;
void solve() {
cin >> n;
ordered_set st;
for (int i = 1; i <= n; i++) {
cin >> a[i];
st.insert(a[i]);
}
fact[0] = 1;
for (int i = 1; i <= n; i++) fact[i] = fact[i - 1] * i % MOD;
ll res = 0;
for (int i = 1; i <= n; i++) {
int temp = st.order_of_key(a[i]);
res = (res + fact[n - i] * temp) % MOD;
st.erase(a[i]);
}
cout << res + 1;
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
solve();
}
