MOD = 998244353

n, q = map(int, input().split())
a = list(map(int, input().split()))
b = list(map(int, input().split()))

k = sum(1 for x in a if x == 1)
rest = [x - 1 for x in a if x > 1]
m = len(rest)

# Initialize dp_rest for the rest boxes
dp_rest = [0] * (m + 1)
dp_rest[0] = 1

for num in rest:
    for j in range(m, 0, -1):
        dp_rest[j] = (dp_rest[j] * num + dp_rest[j - 1]) % MOD
    dp_rest[0] = (dp_rest[0] * num) % MOD

# Process each query
results = []
for query in b:
    t = query - k
    if t < 0 or t > m:
        results.append(0)
    else:
        results.append(dp_rest[t] % MOD)

print('\n'.join(map(str, results)))