import times, strutils, sequtils, math, algorithm, tables, sets, lists, intsets
import critbits, future, strformat, deques
template `max=`(x,y) = x = max(x,y)
template `min=`(x,y) = x = min(x,y)
template `mod=`(x,y) = x = x mod y
template scan2 = (scan(), scan())
template scan3 = (scan(), scan())
let read* = iterator: string {.closure.} =
    while true: (for s in stdin.readLine.split: yield s)
proc scan(): int = read().parseInt
proc scanf(): float = read().parseFloat
proc toInt(c:char): int =
    return int(c) - int('0')







proc solve()=
  var
    n = scan()
    q = scan()
    a = @[0] & newseqwith(n,scan())
    b = newseqwith(q,scan())
    md = 998244353
    dp = newseqwith(2,newseqwith(n+1,0))
  dp[0][0]=1
  for i in 1..n:
    var
      now = i.mod(2)
      prev = (i+1).mod(2)
    for j in 0..n:
      if j >= 1:
      #    i個目の箱から 1以外を引く       1を引く
        dp[now][j] = dp[prev][j]*(a[i]-1) + dp[prev][j-1]
      else:
         dp[now][j] = dp[prev][j]*(a[i]-1)
      dp[now][j].mod=md
  for q in b:
    echo dp[n.mod(2)][q]
  
  
  
solve()