#include <bits/stdc++.h>
using namespace std;

#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")

#ifdef _RUTHEN
#include <debug.hpp>
#else
#define show(...) true
#endif

#define REP(i, n) for (int i = 0; i < (n); i++)
template <class T> using V = vector<T>;

constexpr int P = 258280327;

void convolution(long long *a, long long *b, const int n, long long *c) {
    if (n <= 120) {
        REP(i, n) REP(j, n) c[i + j] += a[i] * b[j];
        REP(i, n + n - 1) c[i] %= P;
        return;
    }
    const int n0 = (n + 1) / 2;
    const int n1 = n - n0;
    long long *a0 = a, *b0 = b, *a1 = a + n0, *b1 = b + n0;
    long long a01[n0] = {}, b01[n0] = {};
    REP(i, n0) {
        a01[i] = a0[i];
        b01[i] = b0[i];
    }
    REP(i, n1) {
        a01[i] += a1[i];
        b01[i] += b1[i];
        if (a01[i] >= P) a01[i] -= P;
        if (b01[i] >= P) b01[i] -= P;
    }
    long long c0[n0 + n0 - 1] = {}, c1[n1 + n1 - 1] = {}, c2[n0 + n0 - 1] = {};
    convolution(a0, b0, n0, c0);
    convolution(a1, b1, n1, c1);
    convolution(a01, b01, n0, c2);
    REP(i, n0 + n0 - 1) c[i] += c0[i];
    REP(i, n1 + n1 - 1) c[i + n0 + n0] += c1[i];
    REP(i, n0 + n0 - 1) {
        c[i + n0] += c2[i];
        if (c[i + n0] >= P) c[i + n0] -= P;
        c[i + n0] -= c0[i];
        if (c[i + n0] < 0) c[i + n0] += P;
    }
    REP(i, n1 + n1 - 1) {
        c[i + n0] -= c1[i];
        if (c[i + n0] < 0) c[i + n0] += P;
    }
    return;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    constexpr int K = 200000;
    long long a[K], b[K];
    int N;
    cin >> N;
    N++;
    REP(i, N) cin >> a[i];
    int M;
    cin >> M;
    M++;
    REP(i, M) cin >> b[i];
    if (N == 1 and a[0] == 0) {
        cout << 0 << '\n';
        cout << 0 << '\n';
        return 0;
    }
    if (M == 1 and b[0] == 0) {
        cout << 0 << '\n';
        cout << 0 << '\n';
        return 0;
    }
    REP(i, N) a[i] %= P;
    REP(i, M) b[i] %= P;
    int L = max(N, M);
    while (N < L) a[N++] = 0;
    while (M < L) b[M++] = 0;
    long long c[L + L] = {};
    convolution(a, b, L, c);
    cout << N + M - 2 << '\n';
    REP(i, N + M - 1) cout << c[i] << " \n"[i + 1 == N + M - 1];
    return 0;
}