#define PROBLEM "https://judge.yosupo.jp/problem/convolution_mod_1000000007"

#include <vector>
#include <iostream>
#include <numeric>
#include <algorithm>
#include <array>
using namespace std;

/*
 * @title ModInt
 */
template<long long mod> class ModInt {
public:
    long long x;
    constexpr ModInt():x(0) {}
    constexpr ModInt(long long y) : x(y>=0?(y%mod): (mod - (-y)%mod)%mod) {}
    ModInt &operator+=(const ModInt &p) {if((x += p.x) >= mod) x -= mod;return *this;}
    ModInt &operator+=(const long long y) {ModInt p(y);if((x += p.x) >= mod) x -= mod;return *this;}
    ModInt &operator+=(const int y) {ModInt p(y);if((x += p.x) >= mod) x -= mod;return *this;}
    ModInt &operator-=(const ModInt &p) {if((x += mod - p.x) >= mod) x -= mod;return *this;}
    ModInt &operator-=(const long long y) {ModInt p(y);if((x += mod - p.x) >= mod) x -= mod;return *this;}
    ModInt &operator-=(const int y) {ModInt p(y);if((x += mod - p.x) >= mod) x -= mod;return *this;}
    ModInt &operator*=(const ModInt &p) {x = (x * p.x % mod);return *this;}
    ModInt &operator*=(const long long y) {ModInt p(y);x = (x * p.x % mod);return *this;}
    ModInt &operator*=(const int y) {ModInt p(y);x = (x * p.x % mod);return *this;}
    ModInt &operator^=(const ModInt &p) {x = (x ^ p.x) % mod;return *this;}
    ModInt &operator^=(const long long y) {ModInt p(y);x = (x ^ p.x) % mod;return *this;}
    ModInt &operator^=(const int y) {ModInt p(y);x = (x ^ p.x) % mod;return *this;}
    ModInt &operator/=(const ModInt &p) {*this *= p.inv();return *this;}
    ModInt &operator/=(const long long y) {ModInt p(y);*this *= p.inv();return *this;}
    ModInt &operator/=(const int y) {ModInt p(y);*this *= p.inv();return *this;}
    ModInt operator=(const int y) {ModInt p(y);*this = p;return *this;}
    ModInt operator=(const long long y) {ModInt p(y);*this = p;return *this;}
    ModInt operator-() const {return ModInt(-x); }
    ModInt operator++() {x++;if(x>=mod) x-=mod;return *this;}
    ModInt operator--() {x--;if(x<0) x+=mod;return *this;}
    ModInt operator+(const ModInt &p) const { return ModInt(*this) += p; }
    ModInt operator-(const ModInt &p) const { return ModInt(*this) -= p; }
    ModInt operator*(const ModInt &p) const { return ModInt(*this) *= p; }
    ModInt operator/(const ModInt &p) const { return ModInt(*this) /= p; }
    ModInt operator^(const ModInt &p) const { return ModInt(*this) ^= p; }
    bool operator==(const ModInt &p) const { return x == p.x; }
    bool operator!=(const ModInt &p) const { return x != p.x; }
    ModInt inv() const {int a=x,b=mod,u=1,v=0,t;while(b > 0) {t = a / b;swap(a -= t * b, b);swap(u -= t * v, v);} return ModInt(u);}
    ModInt pow(long long n) const {ModInt ret(1), mul(x);for(;n > 0;mul *= mul,n >>= 1) if(n & 1) ret *= mul;return ret;}
    friend ostream &operator<<(ostream &os, const ModInt &p) {return os << p.x;}
    friend istream &operator>>(istream &is, ModInt &a) {long long t;is >> t;a = ModInt<mod>(t);return (is);}
};

/*
 * @title NumberTheoreticTransform
 */
template<int mod> class NumberTheoreticTransform {
	inline static constexpr int prime1 =1004535809;
	inline static constexpr int prime2 =998244353;
	inline static constexpr int prime3 =985661441;
	inline static constexpr int inv21=332747959; // ModInt<mod2>(mod1).inv().x;
	inline static constexpr int inv31=766625513; // ModInt<mod3>(mod1).inv().x;
	inline static constexpr int inv32=657107549; // ModInt<mod3>(mod2).inv().x;
	inline static constexpr int prime12=(1002772198720536577LL) % mod;
	inline static constexpr array<int,21> pow2 = {1,2,4,8,16,32,64,128,256,512,1024,2048,4096,8192,16384,32768,65536,131072,262144,524288,1048576};
	using Mint = ModInt<mod>;
	using Mint1 = ModInt<prime1>;
	using Mint2 = ModInt<prime2>;
	using Mint3 = ModInt<prime3>;
	inline Mint garner(const Mint1& b1,const Mint2& b2,const Mint3& b3) {
		Mint2 t2 = (b2-b1.x)*inv21;
		Mint3 t3 = ((b3-b1.x)*inv31-t2.x)*inv32;
		return Mint(prime12*t3.x+b1.x+prime1*t2.x);
	}
	template<int prime> inline void ntt(vector<ModInt<prime>>& f) {
		const int N = f.size(), M = N>>1;
		const int log2N = __builtin_ctz(N);
		ModInt<prime> h(3); h = h.pow((prime - 1)/N);
		vector<ModInt<prime>> base(log2N),g(N);
		for(int i=0;i<log2N;++i) base[i] = h.pow(N/pow2[i+1]);
		for(int n=0;n<log2N;++n) {
			const int& p = pow2[log2N-n-1];
			ModInt<prime> w = 1;
			for (int i=0,k=0;i<M;i+=p,k=i<<1,w*=base[n]) {
				for(int j=0;j<p;++j) {
					ModInt<prime> l = f[k|j];
					ModInt<prime> r = w * f[k|j|p];
					g[i|j]   = l + r;
					g[i|j|M] = l - r;
				}
			}
			swap(f,g);
		}
	}
	template<int prime=mod> inline vector<ModInt<prime>> convolution(const vector<Mint>& a,const vector<Mint>& b){
		int N,M=a.size()+b.size()-1; for(N=1;N<M;N*=2);
		ModInt<prime> inverse(N); inverse = inverse.inv();
		vector<ModInt<prime>> g(N,0),h(N,0);
		for(int i=0;i<a.size();++i) g[i]=a[i].x;
		for(int i=0;i<b.size();++i) h[i]=b[i].x;
		ntt<prime>(g); ntt<prime>(h);
		for(int i = 0; i < N; ++i) g[i] = g[i]*h[i]*inverse;
		reverse(g.begin()+1,g.end());
		ntt<prime>(g);
		return g;
	}
	inline vector<Mint> convolution_arbitrarymod(const vector<Mint>& g,const vector<Mint>& h){
		auto f1 = convolution<prime1>(g, h);
		auto f2 = convolution<prime2>(g, h);
		auto f3 = convolution<prime3>(g, h);
		vector<Mint> f(f1.size());
		for(int i=0; i < f1.size(); ++i) f[i] = garner(f1[i],f2[i],f3[i]);
		return f;
	}
public:
	inline vector<ModInt<998244353>> convolution(const vector<ModInt<998244353>>& g,const vector<ModInt<998244353>>& h){return convolution<998244353>(g,h);}
	inline vector<ModInt<1000000007>> convolution(const vector<ModInt<1000000007>>& g,const vector<ModInt<1000000007>>& h){return convolution_arbitrarymod(g,h);}
};

constexpr int MOD = 998244353;

int main(void){
	cin.tie(0);ios::sync_with_stdio(false);
    int N,M; cin >> N >> M;
    vector<ModInt<MOD>> A(N),B(M);
    for(int i = 0; i < N; ++i) cin >> A[i];
    for(int i = 0; i < M; ++i) cin >> B[i];
    NumberTheoreticTransform<MOD> ntt;
	auto C = ntt.convolution(A,B);
    for(int i = 0; i < N+M-1; ++i) cout << C[i] << " ";
    cout << endl;
	return 0;
}

Measured memory_bytes: 36164