#include <bits/stdc++.h>
using namespace std;
#include <atcoder/all>
using namespace atcoder;
using mint = modint998244353;
int main () {
	int N;
	cin >> N;
	std::vector<int> P(N), iv(N);
	for (int i = 0; i < N; i ++) {
		cin >> P[i];
		iv[--P[i]] = i;
	}
	fenwick_tree<int> F1(N), F2(N);
	vector<mint> kai(N + 1, mint(1)), fkai(N + 1, mint(1));
	for (int i = 1; i <= N; i ++) {
		kai[i] = kai[i - 1] * i;
	}
	fkai[N] = fkai[N] / kai[N];
	for (int i = N; i; i --) {
		fkai[i - 1] = fkai[i] * i;
	}
	mint ans = 0;
	for (int i = 0; i < N; i ++) {
		int p = F1.sum(0, i);
		int a = F2.sum(i + 1, N);
		int n = p + a, r = min(p, a);
		ans += kai[n] / fkai[r] / fkai[n - r];
	}
	cout << ans.val() << endl;
}