n,q=map(int,input().split())
a=list(map(int,input().split()))
dp=[0]*(n+1);dp[0]=1;mod=998244353
for i in a:
    dp2=[0]*len(dp)
    for j in range(n):
    	dp2[j]+=dp[j]*(i-1);dp2[j]%=mod
    	dp2[j+1]+=dp[j];dp2[j+1]%=mod
    dp=dp2
for i in list(map(int,input().split())):
    print(dp[i])