def main(): from sys import stdin, setrecursionlimit input = stdin.readline readline = stdin.readline import sys sys.setrecursionlimit(10**7) from collections import deque # https://atcoder.jp/contests/practice2/submissions/16789717 より mod, g, ig = 998244353, 3, 332748118 W = [pow(g, (mod-1)>>i, mod) for i in range(24)] iW = [pow(ig, (mod-1)>>i, mod) for i in range(24)] def NTT(k, A): # k: int, &A: List[int] for l in range(k, 0, -1): d = 1<