#include <array>
#include <iostream>
#include <map>

#include <atcoder/modint>

using mint = atcoder::modint998244353;

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

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

    using key = uint32_t;
    constexpr int K = 4;
    using state = std::pair<std::array<int, N>, std::array<int, N>>;

    auto get_state = [&](key k, int bit) {
        auto bit_slice = [&](int i) {
            return (k >> (i * K)) & ((1 << K) - 1);
        };
        state s;
        auto &[sr, sc] = s;
        for (int a = 0; a < N; ++a) {
            sr[a] = (r[a] >> bit) - bit_slice(a);
        }
        for (int b = 0; b < N; ++b) {
            sc[b] = (c[b] >> bit) - bit_slice(N + b);
        }
        return s;
    };
    auto get_key = [&](const state& s, int bit) {
        const auto &[sr, sc] = s;
        key k = 0;
        auto add = [&](int v, int i) {
            assert(0 <= v and v <= 4);
            k |= v << (i * K);
        };

        for (int a = 0; a < N; ++a) {
            add((r[a] >> bit) - sr[a], a);
        }
        for (int b = 0; b < N; ++b) {
            add((c[b] >> bit) - sc[b], N + b);
        }
        return k;
    };

    std::map<key, mint> pd{};
    pd[0] = 1;
    for (int i = 0; i < L; ++i) {
        std::map<key, mint> dp{};
        for (const auto& [k, v] : pd) {
            for (int s = 0; s < 1 << ((N - 1) * (N - 1)); ++s) {
                auto [r, c] = get_state(k, i);
                std::array<std::array<int, N>, N> d;
                for (int a = 0; a < N - 1; ++a) {
                    for (int b = 0; b < N - 1; ++b) {
                        int bit = (s >> (a * (N - 1) + b)) & 1;
                        d[a][b] = bit;
                        r[a] -= bit, c[b] -= bit;
                    }
                }
                for (int a = 0; a < N - 1; ++a) {
                    const int b = N - 1;
                    int bit = r[a] & 1;
                    d[a][b] = bit;
                    r[a] -= bit, c[b] -= bit;
                }
                for (int b = 0; b < N - 1; ++b) {
                    const int a = N - 1;
                    int bit = c[b] & 1;
                    d[a][b] = bit;
                    r[a] -= bit, c[b] -= bit;
                }
                {
                    int bit = r[N - 1] & 1;
                    d[N - 1][N - 1] = bit;
                    r[N - 1] -= bit, c[N - 1] -= bit;
                }
                bool ok = (c[N - 1] & 1) == 0;
                for (int a = 0; a < N; ++a) {
                    ok &= r[a] >= 0;
                    r[a] >>= 1;
                }
                for (int b = 0; b < N; ++b) {
                    ok &= c[b] >= 0;
                    c[b] >>= 1;
                }
                if (ok) {
                    dp[get_key({ r, c }, i + 1)] += v;
                }
            }
        }
        pd.swap(dp);
    }

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

    return 0;
}