#include <array>
#include <iostream>
#include <unordered_map>

#include <atcoder/modint>

using mint = atcoder::modint998244353;

constexpr int L = 30;
constexpr int N = 4;

int main() {
    std::array<int, N> h, w;
    for (auto&& e : h) std::cin >> e, e -= 4;
    for (auto&& e : w) std::cin >> e, e -= 4;

    if (std::accumulate(h.begin(), h.end(), 0LL) != std::accumulate(w.begin(), w.end(), 0LL)) {
        std::cout << 0 << std::endl;
        return 0;
    }

    constexpr int K = 3;

    std::array<uint32_t, 1 << (N - 1) * (N - 1)> add{};
    for (int s = 0; s < 1 << ((N - 1) * (N - 1)); ++s) {
        for (int a = 0; a < N - 1; ++a) for (int b = 0; b < N - 1; ++b) {
            int bit = (s >> (a * (N - 1) + b)) & 1;
            add[s] += bit << a * K;
            add[s] += bit << b * K << N * K;
        }
    }

    std::unordered_map<uint32_t, mint> pd{ { 0, 1 } };
    for (int i = 0; i < L; ++i) {
        uint32_t sub_lo = 0, sub_hi = 0;
        std::array<int, N> hb;
        std::array<int, N> wb;
        for (int a = 0; a < N; ++a) {
            hb[a] = ((h[a] >> i) & 1) << a * K;
            sub_lo += hb[a];
        }
        for (int b = 0; b < N; ++b) {
            wb[b] = ((w[b] >> i) & 1) << b * K;
            sub_hi += wb[b];
        }

        auto split = [](uint32_t s) {
            return std::make_pair(s & ((1 << N * K) - 1), s >> N * K);
        };
        auto merge = [](uint32_t lo, uint32_t hi) {
            return (hi << N * K) | lo;
        };

        std::unordered_map<uint32_t, mint> dp;
        for (const auto& [k, v] : pd) {
            for (uint32_t x : add) {
                auto [lo, hi] = split(k + x);
                for (int b = 0; b < N - 1; ++b) {
                    uint32_t bit = (hi ^ wb[b]) & (1 << b * K);
                    lo += bit << (N - 1 - b) * K;
                    hi += bit;
                }
                for (int a = 0; a < N; ++a) {
                    uint32_t bit = (lo ^ hb[a]) & (1 << a * K);
                    lo += bit;
                    hi += bit << (N - 1 - a) * K;
                }
                dp[merge(lo - sub_lo, hi - sub_hi) >> 1] += v;
            }
        }
        pd.swap(dp);
    }

    std::cout << pd[0].val() << std::endl;

    return 0;
}