//#define NDEBUG
#pragma warning(disable : 4146)

#include <bits/stdc++.h>

namespace n91 {

  using i32 = std::int32_t;
  using i64 = std::int64_t;
  using u32 = std::uint32_t;
  using u64 = std::uint64_t;
  using isize = std::ptrdiff_t;
  using usize = std::size_t;
  using f64 = double;

  struct rep {
    struct itr {
      usize i;
      constexpr itr(const usize i) noexcept : i(i) {}
      void operator++() noexcept { ++i; }
      constexpr usize operator*() const noexcept { return i; }
      constexpr bool operator!=(const itr x) const noexcept { return i != x.i; }
    };
    const itr f, l;
    constexpr rep(const usize f, const usize l) noexcept
      : f(std::min(f, l)), l(l) {}
    constexpr auto begin() const noexcept { return f; }
    constexpr auto end() const noexcept { return l; }
  };
  struct revrep {
    struct itr {
      usize i;
      constexpr itr(const usize i) noexcept : i(i) {}
      void operator++() noexcept { --i; }
      constexpr usize operator*() const noexcept { return i; }
      constexpr bool operator!=(const itr x) const noexcept { return i != x.i; }
    };
    const itr f, l;
    constexpr revrep(const usize f, const usize l) noexcept
      : f(l - 1), l(std::min(f, l) - 1) {}
    constexpr auto begin() const noexcept { return f; }
    constexpr auto end() const noexcept { return l; }
  };
  template <class T> auto md_vec(const usize n, const T& value) {
    return std::vector<T>(n, value);
  }
  template <class... Args> auto md_vec(const usize n, Args... args) {
    return std::vector<decltype(md_vec(args...))>(n, md_vec(args...));
  }
  template <class T> constexpr T difference(const T& a, const T& b) noexcept {
    return a < b ? b - a : a - b;
  }
  template <class T> void chmin(T& a, const T& b) noexcept {
    if (b < a)
      a = b;
  }
  template <class T> void chmax(T& a, const T& b) noexcept {
    if (a < b)
      a = b;
  }
  template <class F> class rec_lambda {
    F f;

  public:
    rec_lambda(F&& f_) : f(std::forward<F>(f_)) {}
    template <class... Args> auto operator()(Args &&... args) const {
      return f(*this, std::forward<Args>(args)...);
    }
  };
  template <class T> T scan() {
    T ret;
    std::cin >> ret;
    return ret;
  }
  constexpr char eoln = '\n';

  i64 floor_div(const i64 n, const i64 d) {
    assert(d != 0);
    return n / d - static_cast<i64>((n ^ d) < 0 && n % d != 0);
  }

  i64 ceil_div(const i64 n, const i64 d) {
    assert(d != 0);
    return n / d + static_cast<i64>((n ^ d) >= 0 && n % d != 0);
  }

#ifdef N91_LOCAL
#define OJ_LOCAL(a, b) b
#else
#define OJ_LOCAL(a, b) a
#endif

} // namespace n91

#include <atcoder/modint>
using mint = atcoder::modint998244353;

#include <cassert>
#include <utility>
#include <vector>

namespace noshi91 {

  template <class T> T determinant(std::vector<std::vector<T>> a) {
    if (a.empty())
      return 1;
    const int n = a.size();
    for (const auto& r : a)
      assert(r.size() == n);
    T ret = 1;
    for (int i = 0; i < n; i++) {
      for (int j = i; j < n; j++) {
        if (a[j][i] != 0) {
          if (i != j) {
            std::swap(a[i], a[j]);
            ret = -ret;
          }
          break;
        }
      }
      if (a[i][i] == 0)
        return 0;
      ret *= a[i][i];
      const T inv = 1 / a[i][i];
      for (int j = i; j < n; j++)
        a[i][j] *= inv;
      for (int j = i + 1; j < n; j++) {
        const T c = a[j][i];
        for (int k = i; k < n; k++)
          a[j][k] -= c * a[i][k];
      }
    }
    return ret;
  }

} // namespace noshi91

namespace n91 {

  void main_() {
    const usize h = scan<usize>();
    const usize w = scan<usize>();
    auto A = md_vec(h, w, mint(0)), B = A;
    for (auto& r : A)
      for (auto& e : r)
        e = scan<u32>();
    for (auto& r : B)
      for (auto& e : r)
        e = scan<u32>();
    auto C = md_vec(h, h, mint(0));
    for (const usize i : rep(0, h)) {
      for (const usize j : rep(0, h)) {
        for (const usize k : rep(0, w)) {
          C[i][j] += A[i][k] * B[j][k];
        }
      }
    }

    for (const usize i : rep(0, h))
      C[i][i] += 1;

    std::cout << (noshi91::determinant(C) - 1).val() << eoln;
  }

} // namespace n91

int main() {
  //*
  std::ios::sync_with_stdio(false);
  std::cin.tie(nullptr);
  //*/
  std::cout << std::fixed << std::setprecision(20);
  n91::main_();
  return 0;
}