#include <atcoder/modint>
#include <atcoder/convolution>
#include <iostream>
using namespace std;
using mint = atcoder::modint998244353;

template <typename MODINT>
void ntt2d(std::vector<std::vector<MODINT>> &mat)
{
    for (auto &vec : mat) atcoder::internal::butterfly(vec);
    int h = mat.size(), w = mat[0].size();
    for (int j = 0; j < w; j++)
    {
        std::vector<MODINT> v(h);
        for (int i = 0; i < h; i++) v[i] = mat[i][j];
        atcoder::internal::butterfly(v);
        for (int i = 0; i < h; i++) mat[i][j] = v[i];
    }
}
template <typename MODINT>
void ntt2dinv(std::vector<std::vector<MODINT>> &mat)
{
    int h = mat.size(), w = mat[0].size();
    for (int j = 0; j < w; j++)
    {
        std::vector<MODINT> v(h);
        for (int i = 0; i < h; i++) v[i] = mat[i][j];
        atcoder::internal::butterfly_inv(v);
        for (int i = 0; i < h; i++) mat[i][j] = v[i];
    }
    for (auto &vec : mat) atcoder::internal::butterfly_inv(vec);
    MODINT ninv = MODINT(h * w).inv();
    for (auto &vec : mat)
    {
        for (auto &x : vec)
        {
            x *= ninv;
        }
    }
}

int main()
{
    int X, Y;
    long long T;
    int a, b, c, d;
    cin >> X >> Y >> T >> a >> b >> c >> d;

    vector dp(1 << (X + 1), vector<mint>(1 << (Y + 1)));
    dp[a][b] = 1;
    dp[(1 << (X + 1)) - a][(1 << (Y + 1)) - b] = 1;
    dp[(1 << (X + 1)) - a][b] = -1;
    dp[a][(1 << (Y + 1)) - b] = -1;

    vector trans(1 << (X + 1), vector<mint>(1 << (Y + 1)));
    trans[0][0] = trans[0][1] = trans[0][(1 << (Y + 1)) - 1] = trans[1][0] = trans[(1 << (X + 1)) - 1][0] = 1;

    ntt2d(dp);
    ntt2d(trans);
    for (size_t i = 0; i < dp.size(); i++)
    {
        for (size_t j = 0; j < dp[i].size(); j++)
        {
            dp[i][j] *= trans[i][j].pow(T);
        }
    }
    ntt2dinv(dp);
    cout << dp[c][d].val() << '\n';
}