fn read() -> Vec<usize> {
    use std::io::Read;
    let mut s = String::new();
    std::io::stdin().read_to_string(&mut s).unwrap();
    let mut it = s.trim().split_whitespace();
    let mut next = || it.next().unwrap().parse::<usize>().unwrap();
    let n = next();
    (0..n).map(|_| next()).collect()
}

fn main() {
    let a = read();
    let n = a.len();
    let mut range = vec![(0, 0); n];
    for i in 0..n {
        let mut l = i;
        let mut r = i;
        while l > 0 && a[l - 1] >= a[i] {
            l -= 1;
        }
        while r + 1 < n && a[r + 1] >= a[i] {
            r += 1;
        }
        range[i] = (l, r);
    }
    const MOD: u32 = 998_244_353;
    let mut dp = vec![0; n + 1];
    dp[0] = 1;
    for (l, r) in range {
        let mut sum = 0;
        for dp in dp[l..=r].iter_mut() {
            sum = (sum + *dp) % MOD;
            *dp = sum;
        }
        dp[r + 1] = (dp[r + 1] + sum) % MOD;
    }
    println!("{}", dp[n]);
}