#include <bits/stdc++.h>
#include <atcoder/fenwicktree>
#include <atcoder/modint>
using namespace atcoder;
using namespace std;
using ll = long long;
using mint = modint998244353;
int main() {
	int N;cin >> N;
	set<ll> value;
	vector<ll> A(N + 1, 0);
	for (int i = 1;i <= N;i++) {
		cin >> A[i];
		value.insert(A[i]);
	}
	map<ll, int> tos;
	int K = 0;
	for (auto v : value) {
		tos[v] = K +1;
		K++;
	}
	fenwick_tree<mint> bits(K + 10);
	fenwick_tree<mint> bits2(K + 10);
	fenwick_tree<ll> cnt(K + 10);
	fenwick_tree<ll> cnt2(K + 10);
	vector<mint> T(N + 1, 0);
	mint ans = 0;
	for (int i = N;i >= 1;i--) {
		int now = tos[A[i]];
		T[i] = (A[i] * cnt.sum(0, now)) + bits.sum(0, now);
		bits.add(now, A[i]);
		ans += bits2.sum(0, now) + (A[i] * cnt2.sum(0, now));
		bits2.add(now, T[i]);
		cnt.add(now, 1);
		if (cnt.sum(0, now) != 0) {
			cnt2.add(now, 1);
		}
	}
	cout << ans.val() << endl;
}