#include <bits/stdc++.h>
#define loop(n) for (int ngtkana_is_geneous = 0; ngtkana_is_geneous < n; ngtkana_is_geneous++)
#define rep(i, begin, end) for(int i = begin; i < end; i++)

template <typename T>
T inverse(T a, T m) {
  T u = 0, v = 1;
  while (a != 0) {
    T t = m / a;
    m -= t * a; std::swap(a, m);
    u -= t * v; std::swap(u, v);
  }
  assert(m == 1);
  return u;
}
template <typename T>
class modular {
  private:
    int value;
  public:
    constexpr modular() = default;
    constexpr modular(const modular&) = default;
    constexpr modular(modular&&) = default;
    modular& operator=(const modular&) = default;
    modular& operator=(modular&&) = default;

    template <typename U>
    modular (const U& x) {value = normalize(x);}

    template <typename U>
    static auto normalize(const U& x) {
      int v = static_cast<int>(-mod() <= x && x < mod() ? x : x % mod());
      if (v < 0) v += mod();
      return v;
    }

    auto const& operator()() const { return value; }
    template <typename U>
    explicit operator U() const { return static_cast<U>(value); }
    constexpr static auto mod() { return T::value; }

    auto& operator+=(const modular& other) {
      if ((value += other.value) >= mod()) value -= mod();
      return *this;
    }
    auto& operator-=(const modular& other) {
      if ((value -= other.value) < 0) value += mod();
      return *this;
    }
    template <typename U>
    auto& operator+=(const U& other) {return *this += modular(other); }
    template <typename U>
    auto& operator-=(const U& other) {return *this -= modular(other); }
    auto operator-() const { return modular(-value); }
    auto& operator++() {return *this += 1;}
    auto& operator--() {return *this -= 1;}
    auto  operator++(int) {modular result(*this); operator++(); return result;}
    auto  operator--(int) {modular result(*this); operator--(); return result;}
  
    template <typename U = T>
    auto& operator*=(const modular& rhs) {
      value = normalize(static_cast<int64_t>(value) * static_cast<int64_t>(rhs.value));
      return *this;
    }
    auto& operator/=(const modular& other) {
      return *this *= modular(inverse(other.value, mod()));
    }
};
template <typename T> struct is_modular : std::false_type {};
template <typename T> struct is_modular <modular<T>> : std::true_type{};
template <typename T> constexpr bool is_modular_v = is_modular<T>::value;

template <typename T> bool operator==(const modular<T>& lhs, const modular<T>& rhs) { return lhs.value == rhs.value; }
template <typename T, typename U> bool operator==(const modular<T>& lhs, U rhs) { return lhs == modular<T>(rhs); }
template <typename T, typename U> bool operator==(U lhs, const modular<T>& rhs) { return modular<T>(lhs) == rhs; }

template <typename T> bool operator!=(const modular<T>& lhs, const modular<T>& rhs) { return !(lhs == rhs); }
template <typename T, typename U> bool operator!=(const modular<T>& lhs, U rhs) { return !(lhs == rhs); }
template <typename T, typename U> bool operator!=(U lhs, const modular<T>& rhs) { return !(lhs == rhs); }

template <typename T> modular<T> operator+(const modular<T>& lhs, const modular<T>& rhs) { return modular<T>(lhs) += rhs; }
template <typename T, typename U> modular<T> operator+(const modular<T>& lhs, U rhs) { return modular<T>(lhs) += rhs; }
template <typename T, typename U> modular<T> operator+(U lhs, const modular<T>& rhs) { return modular<T>(lhs) += rhs; }

template <typename T> modular<T> operator-(const modular<T>& lhs, const modular<T>& rhs) { return modular<T>(lhs) -= rhs; }
template <typename T, typename U> modular<T> operator-(const modular<T>& lhs, U rhs) { return modular<T>(lhs) -= rhs; }
template <typename T, typename U> modular<T> operator-(U lhs, const modular<T>& rhs) { return modular<T>(lhs) -= rhs; }

template <typename T> modular<T> operator*(const modular<T>& lhs, const modular<T>& rhs) { return modular<T>(lhs) *= rhs; }
template <typename T, typename U> modular<T> operator*(const modular<T>& lhs, U rhs) { return modular<T>(lhs) *= rhs; }
template <typename T, typename U> modular<T> operator*(U lhs, const modular<T>& rhs) { return modular<T>(lhs) *= rhs; }

template <typename T> modular<T> operator/(const modular<T>& lhs, const modular<T>& rhs) { return modular<T>(lhs) /= rhs; }
template <typename T, typename U> modular<T> operator/(const modular<T>& lhs, U rhs) { return modular<T>(lhs) /= rhs; }
template <typename T, typename U> modular<T> operator/(U lhs, const modular<T>& rhs) { return modular<T>(lhs) /= rhs; }

template<typename T, typename U>
modular<T> pow (const modular<T>& a, U b) {
  assert(b >= 0);
  modular<T> x = a, ret = 1;
  for (; b > 0; b /= 2) {
    if (b % 2 == 1) ret *= x;
    x *= x;
  }
  return ret;
}

template <typename T>
std::string to_string(const modular<T>& a) {
  return std::to_string(a());
}
template <typename T>
auto operator<<(std::ostream& os, const T& a)
  -> std::enable_if_t<is_modular_v<T>, std::ostream&>{
    return os << a();
  }
template <typename T>
auto operator>>(std::istream& is, T& a)
  -> std::enable_if_t<is_modular_v<T>, std::istream&> {
  long long x; is >> x;
  a = T(x);
  return is;
}

/*
using ModType = int;

struct VarMod { static ModType value; };
ModType VarMod::value;
ModType& md = VarMod::value;
using Mint = Modular<VarMod>;
*/

template <typename T>
auto make_vector(size_t sz, T t) {
  return std::vector<T>(sz, t);
}
template <size_t N, typename T, typename U, std::enable_if_t<
  N == 1, std::nullptr_t> = nullptr>
auto make_higher_vector(size_t sz, U u) {
  return make_vector(sz, T(u));
}
template <size_t N, typename T, std::enable_if_t<
  N == 1, std::nullptr_t> = nullptr>
auto make_higher_vector(size_t sz) {
  return std::vector<T>(sz);
}
template <size_t N, typename T, typename... Args, std::enable_if_t<
  N != 1, std::nullptr_t> = nullptr>
auto make_higher_vector(size_t a, Args... args) {
  return make_vector(a, make_higher_vector<N - 1, T>(args...));
}
template <typename T, typename Size_t>
auto& at(T& t, Size_t i) {
  return t.at(i);
}
template <typename T, typename Size_t, typename... Args>
auto& at(T& t, Size_t i, Args... args) {
  return at(t.at(i), args...);
}

constexpr int md = 1'000'000'007;
using mint = modular<std::integral_constant<std::decay_t<decltype(md)>, md>>;

int main()
{
  std::cin.tie(0); std::cin.sync_with_stdio(false);
  auto agc = std::vector<int> {0, 1, 2};
  auto is_ok = [&] (int x)
  {
    std::vector<int> s(4);
    for (int i = 0; i < 4; i++)
    {
      s.at(i) = x % 4;
      x /= 4;
    }
    for (int i = 0; i < 4; i++)
    {
      auto t = s;
      if (i != 3)
      {
        std::swap(t.at(i), t.at(i + 1));
      }
      for (int j = 0; j < 2; j++)
      {
        auto u = t;
        if (j == 0)
        {
          u.erase(u.begin());
        }
        else
        {
          u.pop_back();
        }
        if (u == agc)
        {
          return false;
        }
      }
    }
    return true;
  };
  int sz = 256;
  auto forbidden = std::vector<int>{};
  for (int i = 0; i < sz; i++)
  {
    if (!is_ok(i))
    {
      forbidden.push_back(i);
    }
  }
  auto dp = std::vector<mint>(sz, 1);
  auto renew = [&]
  {
    auto new_dp = std::vector<mint>(sz, 0);
    for (int i = 0; i < sz; i++)
    {
      for (int j = 0; j < 4; j++)
      {
        new_dp.at((i % 64) * 4 + j) += dp.at(i);
      }
    }
    dp = new_dp;
  };
  auto purge = [&]
  {
    for (auto i : forbidden)
    {
      dp.at(i) = 0;
    }
  };
  purge();
  int n; std::cin >> n;
  if (n == 3)
  {
    std::cout << 61 << std::endl;
    return 0;
  }
  loop(n - 4)
  {
    renew();
    purge();
  }
  auto ret = std::accumulate(dp.begin(), dp.end(), mint(0));
  std::cout << ret << std::endl;
  return 0;
}

Measured memory_bytes: 256