from collections import Counter, defaultdict
mod = 998244353


class fenwick_tree(object):
    def __init__(self, n):
        self.n = n
        self.log = n.bit_length()
        self.data = [0] * n

    def __sum(self, r):
        s = 0
        while r > 0:
            s += self.data[r - 1]
            r -= r & -r
        return s

    def add(self, p, x):
        """ a[p] += xを行う"""
        p += 1
        while p <= self.n:
            self.data[p - 1] += x
            p += p & -p

    def sum(self, l, r):
        """a[l] + a[l+1] + .. + a[r-1]を返す"""
        return self.__sum(r) - self.__sum(l)

    def lower_bound(self, x):
        """a[0] + a[1] + .. a[i] >= x となる最小のiを返す"""
        if x <= 0:
            return -1
        i = 0
        k = 1 << self.log
        while k:
            if i + k <= self.n and self.data[i + k - 1] < x:
                x -= self.data[i + k - 1]
                i += k
            k >>= 1
        return i


N = int(input())
A = list(map(int, input().split()))
memo = defaultdict(list)
for i, a in enumerate(A):
    memo[a].append(i)
key = sorted(memo.keys())

# 左にある自分より大きいやつを見る
L_sum = [0] * N
L_cnt = [0] * N
bit_sum = fenwick_tree(N)
bit_cnt = fenwick_tree(N)
for k in key[::-1]:
    for i in memo[k]:
        L_sum[i] = bit_sum.sum(0, i)
        L_cnt[i] = bit_cnt.sum(0, i)
    for i in memo[k]:
        bit_sum.add(i, k)
        bit_cnt.add(i, 1)

# 右にある自分より小さいやつを見る
R_sum = [0] * N
R_cnt = [0] * N
bit_sum = fenwick_tree(N)
bit_cnt = fenwick_tree(N)
for k in key:
    for i in memo[k]:
        R_sum[i] = bit_sum.sum(i, N)
        R_cnt[i] = bit_cnt.sum(i, N)
    for i in memo[k]:
        bit_sum.add(i, k)
        bit_cnt.add(i, 1)

ans = 0
for i in range(1, N - 1):
    ans += L_sum[i] * R_cnt[i]
    ans %= mod
    ans += R_sum[i] * L_cnt[i]
    ans %= mod
    ans += A[i] * R_cnt[i] * L_cnt[i]
    ans %= mod

print(ans)