const val MOD = 998244353
class Bit(val size: Int) {
    private val vec = IntArray(size)
    fun get(position: Int): Int {
        var result = 0
        var pos = position
        while (pos in vec.indices) {
            result = (result + vec[pos]) % MOD
            pos -= pos.inv() and (pos + 1)
        }
        return result
    }
    fun add(position: Int, value: Int) {
        var pos = position
        while (pos in vec.indices) {
            vec[pos] = (vec[pos] + value) % MOD
            pos += pos.inv() and (pos + 1)
        }
    }
    fun add(position: Int, value: Long) {
        return add(position, (value % MOD).toInt())
    }
}
fun main() {
    val n = readLine()!!.trim().toInt()
    val num = readLine()!!.trim().split(' ').map(String::toInt)
    val rank = num.distinct().sorted().let { list -> list.indices.associateBy { list[it] }}
    val sumBits = Array(2){Bit(rank.size)}
    val countBits = Array(2){Bit(rank.size)}
    var result = 0L
    for (a in num.reversed()) {
        val i = rank[a]!!
        val sum2 = sumBits[1].get(i - 1)
        val count2 = countBits[1].get(i - 1)
        result = (result + sum2 + count2.toLong() * a) % MOD
        val sum1 = sumBits[0].get(i - 1)
        val count1 = countBits[0].get(i - 1)
        sumBits[1].add(i, sum1 + count1.toLong() * a)
        countBits[1].add(i, count1)
        sumBits[0].add(i, a)
        countBits[0].add(i, 1)
    }
    println(result)
}