#pragma region header
#include <bits/stdc++.h>
#define int long long
#define all(a) begin(a), end(a)
#define rall(a) rbegin(a), rend(a)
#define mp make_pair
#define rep1(i, n) for (decltype(+n) i = 0; i < (n); i++)
#define rrep1(i, n) for (auto i = n - 1; i > static_cast<decltype(i)>(-1); i--)
#define rep2(i, a, b) for (auto i = (a); i < (b); i++)
#define rrep2(i, a, b) for (auto i = b - 1; i >= a; i--)
#define GET_MACRO(_1, _2, _3, NAME, ...) NAME
#define rep(...) GET_MACRO(__VA_ARGS__, rep2, rep1) (__VA_ARGS__)
#define rrep(...) GET_MACRO(__VA_ARGS__, rrep2, rrep1) (__VA_ARGS__)
#define each(i, a) for (auto &&i : (a))
using namespace std;

using ld = long double;
using vi = vector<int>;
using vvi = vector<vi>;
using vs = vector<string>;
using vvs = vector<vs>;
using vd = vector<ld>;
using vvd = vector<vd>;
using vb = vector<bool>;
using vvb = vector<vb>;
using pii = pair<int, int>;
using vp = vector<pii>;
using vvp = vector<vp>;
using mii = map<int, int>;
using vm = vector<mii>;
using vvm = vector<vm>;
template <class T, class U>
using umap = unordered_map<T, U>;
using umii = umap<int, int>;
using seti = set<int>;
template <class T>
using uset = unordered_set<T>;
using useti = uset<int>;
template <class T>
using less_queue = priority_queue<T>;
template <class T>
using greater_queue = priority_queue<T, vector<T>, greater<T>>;
using int128 = __int128_t;

ostream &operator<<(ostream &dest, int128 value) {
  ostream::sentry s(dest);
  if (s) {
    int128 tmp = value < 0 ? -value : value;
    char buffer[128];
    char *d = end(buffer);
    do {
      --d;
      *d = "0123456789"[tmp % 10];
      tmp /= 10;
    } while (tmp != 0);
    if (value < 0) {
      --d;
      *d = '-';
    }
    int len = end(buffer) - d;
    if (dest.rdbuf()->sputn(d, len) != len) {
      dest.setstate(ios_base::badbit);
    }
  }
  return dest;
}

const int INF = 1e18;
const ld EPS = 1e-10;

template <class T>
void SORT(T &a) { stable_sort(all(a)); }
template <class T>
void RSORT(T &a) { stable_sort(rall(a)); }
template <class T>
void rev(T &a) { reverse(all(a)); }
template <class T>
void uniq(T &a) { a.erase(unique(all(a)), end(a)); }
template <class T>
auto min_of(const T &a) { return *min_element(all(a)); }
template <class T>
auto max_of(const T &a) { return *max_element(all(a)); }
template <class T>
T sum_of(const vector<T> &a) { return accumulate(all(a), (T)0); }
template <class T, class U>
int count_of(const T &a, const U &i) { return count(all(a), i); }
template <class T>
bool has(const vector<T> &a, const T &i) { return find(all(a), i) != a.end(); }
bool has(const string &a, const char &i) { return find(all(a), i) != a.end(); }
template <class T>
bool has(const set<T> &a, const T &i) { return a.find(i) != a.end(); }
template <class T, class U>
bool has(const map<T, U> &a, const T &i) { return a.find(i) != a.end(); }
template <class T, class U>
bool has(const umap<T, U> &a, const T &i) { return a.find(i) != a.end(); }
template <class T>
int sz(const T &a) { return a.size(); };

template <class T>
void COUT(const T &x) { cout << x << endl; }
template <class T, class U>
void COUT(const T &x, const U &y) { cout << x << ' ' << y << endl; }
template <class T, class U, class V>
void COUT(const T &x, const U &y, const V &z) { cout << x << ' ' << y << ' ' << z << endl; }
template <class T>
void CSP(const T &x) { cout << x << ' '; }
template <class T>
void CVEC(const T &v) {
  int c = v.size() - 1;
  for (int i = 0; i < c; i++) cout << v[i] << ' ';
  if (c > -1) cout << v[c];
  cout << endl;
}

template <class T>
bool amin(T &a, const T &b) {
  if (a > b) {
    a = b;
    return true;
  }
  return false;
}
template <class T>
bool amax(T &a, const T &b) {
  if (a < b) {
    a = b;
    return true;
  }
  return false;
}

constexpr int lshift(const int &x) noexcept { return 1ll << x; }
constexpr int popcount(const unsigned int &x) noexcept { return __builtin_popcountll(x); }
constexpr int least1(const unsigned int &x) noexcept { return __builtin_ffsll(x); }
constexpr int ceil_div(const int &x, const int &y) noexcept { return (x + y - 1) / y; }

#pragma endregion header

struct dmint {
  static inline long long MOD = 1000000007;
  static void set_mod(int m) { MOD = m; }
  static int get_mod() { return MOD; }
  long long val;
  dmint(long long v = 0) : val(v % MOD) {
    if (val < 0) val += MOD;
  }
  dmint operator-() {
    return val ? MOD - val : 0;
  }
  dmint operator+(const dmint& r) { return dmint(*this) += r; }
  dmint operator-(const dmint& r) { return dmint(*this) -= r; }
  dmint operator*(const dmint& r) { return dmint(*this) *= r; }
  dmint operator/(const dmint& r) { return dmint(*this) /= r; }
  dmint& operator+=(const dmint& r) {
    val += r.val;
    if (val >= MOD) val -= MOD;
    return *this;
  }
  dmint& operator-=(const dmint& r) {
    val -= r.val;
    if (val < 0) val += MOD;
    return *this;
  }
  dmint& operator*=(const dmint& r) {
    val = val * r.val % MOD;
    return *this;
  }
  dmint& operator/=(const dmint& r) {
    long long a = r.val, b = MOD, u = 1, v = 0;
    while (b) {
      long long t = a / b;
      a -= t * b;
      swap(a, b);
      u -= t * v;
      swap(u, v);
    }
    val = val * u % MOD;
    if (val < 0) val += MOD;
    return *this;
  }
  bool operator==(const dmint& r) {
    return this->val == r.val;
  }
  bool operator!=(const dmint& r) {
    return this->val != r.val;
  }
  friend ostream& operator<<(ostream& os, const dmint& x) {
    return os << x.val;
  }
  friend istream& operator>>(istream& is, dmint& a) {
    long long t;
    is >> t;
    a = dmint(t);
    return is;
  }
  dmint pow(long long n) {
    if (n == 0) return 1;
    auto t = pow(n / 2);
    t = t * t;
    if (n & 1) t = t * val;
    return t;
  }
  dmint inv() {
    return pow(MOD - 2);
  }
};

// MOD = 998244353;

template <typename Mint>
struct number_theoretic_transform {
  vector<Mint> dw, idw;
  int max_base;
  Mint root;

  number_theoretic_transform() {
    const unsigned mod = Mint::get_mod();
    assert(mod >= 3 && mod % 2 == 1);
    auto tmp = mod - 1;
    max_base = 0;
    while (tmp % 2 == 0) tmp >>= 1, max_base++;
    root = 2;
    while (root.pow((mod - 1) >> 1) == 1) root += 1;
    assert(root.pow(mod - 1) == 1);
    dw.resize(max_base);
    idw.resize(max_base);
    for (int i = 0; i < max_base; i++) {
      dw[i] = -root.pow((mod - 1) >> (i + 2));
      idw[i] = Mint(1) / dw[i];
    }
  }

  void ntt(vector<Mint> &a) {
    const int n = (int)a.size();
    assert((n & (n - 1)) == 0);
    assert(__builtin_ctz(n) <= max_base);
    for (int m = n; m >>= 1;) {
      Mint w = 1;
      for (int s = 0, k = 0; s < n; s += 2 * m) {
        for (int i = s, j = s + m; i < s + m; ++i, ++j) {
          auto x = a[i], y = a[j] * w;
          a[i] = x + y, a[j] = x - y;
        }
        w *= dw[__builtin_ctz(++k)];
      }
    }
  }

  void intt(vector<Mint> &a, bool f = true) {
    const int n = (int)a.size();
    assert((n & (n - 1)) == 0);
    assert(__builtin_ctz(n) <= max_base);
    for (int m = 1; m < n; m *= 2) {
      Mint w = 1;
      for (int s = 0, k = 0; s < n; s += 2 * m) {
        for (int i = s, j = s + m; i < s + m; ++i, ++j) {
          auto x = a[i], y = a[j];
          a[i] = x + y, a[j] = (x - y) * w;
        }
        w *= idw[__builtin_ctz(++k)];
      }
    }
    if (f) {
      Mint inv_sz = Mint(1) / n;
      for (int i = 0; i < n; i++) a[i] *= inv_sz;
    }
  }

  vector<Mint> multiply(vector<Mint> a, vector<Mint> b) {
    int need = a.size() + b.size() - 1;
    int nbase = 1;
    while ((1 << nbase) < need) nbase++;
    int sz = 1 << nbase;
    a.resize(sz, 0);
    b.resize(sz, 0);
    ntt(a);
    ntt(b);
    Mint inv_sz = Mint(1) / sz;
    for (int i = 0; i < sz; i++) a[i] *= b[i] * inv_sz;
    intt(a, false);
    a.resize(need);
    return a;
  }
};

void solve(int N, int M, vector<dmint> a, vector<dmint> b) {
  number_theoretic_transform<dmint> ntt;
  CVEC(ntt.multiply(a, b));
}


#pragma region main
signed main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  cout << fixed << setprecision(15);

  dmint::set_mod(998244353);

  int N;
  cin >> N;
  int M;
  cin >> M;
  vector<dmint> a(N-1-0+1);
  for(int i = 0 ; i < N-1-0+1 ; i++){
    cin >> a[i];
  }
  vector<dmint> b(M-1-0+1);
  for(int i = 0 ; i < M-1-0+1 ; i++){
    cin >> b[i];
  }
  solve(N, M, move(a), move(b));
}
#pragma endregion main


Measured memory_bytes: 35416