const MOD: u64 = 998_244_353;

fn main() {
    let ref mut buf = Vec::new();
    std::io::Read::read_to_end(&mut std::io::stdin(), buf).ok();
    let mut iter = std::str::from_utf8(buf).unwrap().split_whitespace();

    macro_rules! scan {
        ($t:ty) => (iter.next().unwrap().parse::<$t>().unwrap());
    }

    let n = scan!(u64);

    let pow = |mut a: u64, mut n: u64| {
        let mut res = 1;
        while n > 0 {
            if n & 1 == 1 {
                res = res * a % MOD;
            }
            a = a * a % MOD;
            n >>= 1;
        }
        res
    };

    let ans = pow(6, n / 2);
    println!("{}", ans);
}