#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

mint naive(const int n, const mint x, const std::vector<mint> &a, const std::vector<mint> &b, const std::vector<mint> &c) {
    mint ans = 0;
    for (long long i = 0; i <= n; ++i) for (long long j = 0; j <= i; ++j) {
        long long k = i - j;
        ans += a[i] * b[j] * c[k] * x.pow(i * j * k);
    }
    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 << naive(n, x, a, b, c).val() << std::endl;
    return 0;
}