n,q=map(int,input().split())
M=998244353
a=list(map(int,input().split()))
q=[0]*(n+1)
q[0]=1
for v in a:
  nq=[0]*(n+1)
  for i in range(n+1):
    nq[i]+=q[i]*(v-1)
    nq[i]%=M
    if i+1<=n:
      nq[i+1]+=q[i]*1
      nq[i+1]%=M
  q=nq
b=list(map(int,input().split()))
for v in b:
  print(q[v])