#include #define rep(i,n) for (int i = 0; i < (n); i ++) using namespace std; typedef long long ll; typedef pair PL; typedef pair P; const int INF = 1e9; const ll MOD = 998244353; const double eps = 1e-6; ll modpow(ll N,ll K,ll mod = MOD) { ll ret = 1; while (K > 0) { if (K&1) { ret *= N; ret %= mod; } K >>= 1; N *= N; N %= mod; } return ret; } int main() { int N,Q; cin >> N >> Q; vector A(N); rep(i,N) { int a; cin >> a; A[i] = a - 1; } vector B(Q); rep(i,Q) cin >> B[i]; vector> dp(N + 1,vector(N,0)); dp[0][N - 1] = 1; dp[1] = A; rep(i,N - 1) dp[1][i + 1] = (dp[1][i + 1] + dp[1][i])%MOD; for (int i = 2;i < N + 1;i++){ for (int j = 1;j < N;j++){ dp[i][j] = (dp[i][j - 1] + dp[i - 1][j - 1] * A[j]) % MOD; } } rep(i,Q){ cout << dp[N - B[i]][N - 1] << endl; } }