#include <iostream>
#include <vector>

#include <atcoder/modint>

using mint = atcoder::modint998244353;

namespace atcoder {
    std::istream& operator>>(std::istream& in, mint &a) {
        long long e; in >> e; a = e;
        return in;
    }
    
    std::ostream& operator<<(std::ostream& out, const mint &a) {
        out << a.val();
        return out;
    }
} // namespace atcoder

#include <atcoder/convolution>

mint solve(const int n, const mint x, const std::vector<mint> &a, const std::vector<mint> &b, const std::vector<mint> &c) {
    if (x == 0) {
        mint ans = 0;
        for (int i = 0; i <= n; ++i) {
            ans += a[i] * b[i] * c[0];
        }
        for (int i = 1; i <= n; ++i) {
            ans += a[i] * b[0] * c[i];
        }
        return ans;
    }

    auto t = [&](long long k) {
        return (k - 1) * k * (k + 1) / 3;
    };
    const mint inv_x = x.inv();

    std::vector<mint> f(n + 1), g(n + 1);
    for (int i = 0; i <= n; ++i) {
        const mint pow_inv_x = inv_x.pow(t(i));
        f[i] = b[i] * pow_inv_x;
        g[i] = c[i] * pow_inv_x;
    }
    const std::vector<mint> h = atcoder::convolution(f, g);

    mint ans = 0;
    for (int i = 0; i <= n; ++i) {
        const mint pow_x = x.pow(t(i));
        ans += a[i] * pow_x * h[i];
    }
    return ans;
}

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);

    int n, x;
    std::cin >> n >> x;
    
    std::vector<mint> a(n + 1), b(n + 1), c(n + 1);
    for (int i = 0, v; i <= n; ++i) std::cin >> v, a[i] = v;
    for (int i = 0, v; i <= n; ++i) std::cin >> v, b[i] = v;
    for (int i = 0, v; i <= n; ++i) std::cin >> v, c[i] = v;

    std::cout << solve(n, x, a, b, c).val() << std::endl;
    return 0;
}