#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for(int i = 0; i < n; i++)
#define rep2(i, x, n) for(int i = x; i <= n; i++)
#define rep3(i, x, n) for(int i = x; i >= n; i--)
#define elif else if
#define sp(x) fixed << setprecision(x)
#define pb push_back
#define eb emplace_back
#define all(x) x.begin(), x.end()
#define sz(x) (int)x.size()
using ll = long long;
using pii = pair<int, int>;
using pil = pair<int, ll>;
using pli = pair<ll, int>;
using pll = pair<ll, ll>;
//const int MOD = 1000000007;
const int MOD = 998244353;
const int inf = (1<<30)-1;
const ll INF = (1LL<<60)-1;
const double pi = acos(-1.0);
const double EPS = 1e-10;
template<typename T> bool chmax(T &x, const T &y) {return (x < y)? (x = y, true) : false;};
template<typename T> bool chmin(T &x, const T &y) {return (x > y)? (x = y, true) : false;};

//数論変換(mod上での畳み込み) modは(x<<y)+1で表されるもの(yが20以上)
//計算量 O((N+M)*log(N+M))

template<int mod>
struct Mod_Int{
    ll x;

    Mod_Int() = default;

    Mod_Int(ll y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {}

    Mod_Int &operator += (const Mod_Int &p){
        x = (x + p.x) % mod;
        return *this;
    }

    Mod_Int &operator -= (const Mod_Int &p){
        x = (x + mod - p.x) % mod;
        return *this;
    }

    Mod_Int &operator *= (const Mod_Int &p){
        x = (x * p.x) % mod;
        return *this;
    }

    Mod_Int &operator /= (const Mod_Int &p){
        *this *= p.inverse();
        return *this;
    }

    Mod_Int &operator ++ () {return *this += Mod_Int(1);}

    Mod_Int operator ++ (int){
        Mod_Int tmp = *this;
        ++*this;
        return tmp;
    }

    Mod_Int &operator -- () {return *this -= Mod_Int(1);}

    Mod_Int operator -- (int){
        Mod_Int tmp = *this;
        --*this;
        return tmp;
    }

    Mod_Int operator - () const {return Mod_Int(-x);}

    Mod_Int operator + (const Mod_Int &p) const {return Mod_Int(*this) += p;}

    Mod_Int operator - (const Mod_Int &p) const {return Mod_Int(*this) -= p;}

    Mod_Int operator * (const Mod_Int &p) const {return Mod_Int(*this) *= p;}

    Mod_Int operator / (const Mod_Int &p) const {return Mod_Int(*this) /= p;}

    bool operator == (const Mod_Int &p) const {return x == p.x;}

    bool operator != (const Mod_Int &p) const {return x != p.x;}

    Mod_Int inverse() const {
        assert(*this != Mod_Int(0));
        return pow(mod-2);
    }

    Mod_Int pow(ll k) const{
        Mod_Int now = *this, ret = 1;
        while(k){
            if(k&1) ret *= now;
            now *= now, k >>= 1;
        }
        return ret;
    }

    friend ostream &operator << (ostream &os, const Mod_Int &p){
        return os << p.x;
    }

    friend istream &operator >> (istream &is, Mod_Int &p){
        ll a;
        is >> a;
        p = Mod_Int<mod>(a);
        return is;
    }
};

using mint = Mod_Int<MOD>;

template<int mod, int primitive_root>
struct Number_Theorem_Transform{
    using Mint = Mod_Int<mod>;

    const int y, x;
    vector<Mint> pw;

    Number_Theorem_Transform() : y(__builtin_ctz(mod-1)), x(mod>>y){
        pw.resize(y);
        pw[0] = Mint(primitive_root).pow(x);
        rep(i, y-1) pw[i+1] = pw[i]*pw[i];
    }

    vector<Mint> to_Mint(const vector<int> &a) const{
        vector<Mint> ret(sz(a));
        rep(i, sz(a)) ret[i] = Mint(a[i]);
        return ret;
    }

    vector<int> to_int(const vector<Mint> &a) const{
        vector<int> ret(sz(a));
        rep(i, sz(a)) ret[i] = int(a[i].x);
        return ret;
    }

    void ntt(vector<Mint> &a, int n, bool inverse = false) const{
        assert((n&(n-1)) == 0);
        a.resize(n);
        rep(i, n){
            int j = 0;
            for(int k = 0; k < __builtin_ctz(n); k++){
                if(i&(1<<k)) j |= 1<<(__builtin_ctz(n)-1-k);
            }
            if(i < j) swap(a[i], a[j]);
        }
        for(int k = 1; k < n; k *= 2){
            Mint w = 1, r = pw[y-1-__builtin_ctz(k)];
            if(inverse) r = r.inverse();
            rep(i, k){
                for(int j = 0; j < n; j += 2*k){
                    Mint s = a[j+i], t = a[j+k+i]*w;
                    a[j+i] = s+t, a[j+k+i] = s-t;
                }
                w *= r;
            }
        }
        if(inverse) rep(i, n) a[i] /= Mint(n);
    }

    vector<int> convolve(vector<int> a, vector<int> b) const{
        int n = 1<<(32-__builtin_clz(sz(a)+sz(b)-2));
        vector<Mint> A = to_Mint(a), B = to_Mint(b), C(n);
        ntt(A, n), ntt(B, n);
        rep(i, n) C[i] = A[i]*B[i];
        ntt(C, n, true);
        vector<int> c = to_int(C);
        c.resize(sz(a)+sz(b)-1);
        return c;
    }
};

int main(){
    int N, M;
    cin >> N >> M;
    Number_Theorem_Transform<998244353, 3> ntt;
    vector<int> a(N), b(M);
    rep(i, N) cin >> a[i];
    rep(i, M) cin >> b[i];
    vector<int> c = ntt.convolve(a, b);
    for(auto &e: c) cout << e << ' ';
    cout << endl;
}

Measured memory_bytes: 40268