local mod = 998244353
local mfl = math.floor

local function bmul(x, y)
  local x0, y0 = x % 31596, y % 31596
  local x1, y1 = mfl(x / 31596), mfl(y / 31596)
  return (x1 * y1 * 62863 + (x1 * y0 + x0 * y1) * 31596 + x0 * y0) % mod
end

local function badd(x, y)
  return (x + y) % mod
end

local n, q = io.read("*n", "*n")
local dp = {1}
for i = 2, n + 1 do
  dp[i] = 0
end
for i = 1, n do
  local a = io.read("*n")
  a = a - 1
  for j = i, 1, -1 do
    dp[j + 1] = badd(dp[j + 1], dp[j])
    dp[j] = bmul(dp[j], a)
  end
end
for iq = 1, q do
  local b = io.read("*n")
  print(dp[b + 1])
end