FAST_IO = 1
if FAST_IO:
    import io, sys, atexit
    rr = iter(sys.stdin.read().splitlines()).next
    sys.stdout = _OUTPUT_BUFFER = io.BytesIO()
    @atexit.register
    def write():
        sys.__stdout__.write(_OUTPUT_BUFFER.getvalue())
else:
    rr = raw_input
rri = lambda: int(rr())
rrm = lambda: map(int, rr().split())

####
from collections import defaultdict as ddic
N,Q = rrm()
A = rrm()
queries = rrm()
MOD = 998244353
poly = [1]  # reverse order, MSB -> LSB
for a in A:
    a -= 1
    # multiply by x + a

    poly.append(0)
    for i in xrange(len(poly) - 2, -1, -1):
        poly[i+1] += a * poly[i]
        poly[i+1] %= MOD
    poly[0] %= MOD

for q in queries:
    print poly[~q]