#include using namespace std; #define int long long #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define reps(i, n) for (int i = 1; i <= (int)(n); i++) #define all(a) (a).begin(), (a).end() #define uniq(a) (a).erase(unique(all(a)), (a).end()) #define bit(n) (1LL << (n)) #define dump(a) cerr << #a " = " << (a) << endl #define fin(a) \ cout << (a) << endl; \ return 0 using vint = vector; using pint = pair; using vpint = vector; template using priority_queue_rev = priority_queue, greater>; constexpr double PI = 3.1415926535897932384626433832795028; constexpr int DY[9] = {0, 1, 0, -1, 1, 1, -1, -1, 0}; constexpr int DX[9] = {1, 0, -1, 0, 1, -1, -1, 1, 0}; int sign(int a) { return (a > 0) - (a < 0); } int cdiv(int a, int b) { return (a - 1 + b) / b; } template T sq(T a) { return a * a; } template bool chmax(T &a, const U &b) { if (a < b) { a = b; return true; } return false; } template bool chmin(T &a, const U &b) { if (b < a) { a = b; return true; } return false; } template ostream &operator<<(ostream &os, const pair &a) { os << "(" << a.first << ", " << a.second << ")"; return os; } template ostream &operator<<(ostream &os, const vector &a) { os << "("; for (auto itr = a.begin(); itr != a.end(); itr++) { os << *itr << (next(itr) != a.end() ? ", " : ""); } os << ")"; return os; } template ostream &operator<<(ostream &os, const deque &a) { os << "("; for (auto itr = a.begin(); itr != a.end(); itr++) { os << *itr << (next(itr) != a.end() ? ", " : ""); } os << ")"; return os; } template ostream &operator<<(ostream &os, const set &a) { os << "{"; for (auto itr = a.begin(); itr != a.end(); itr++) { os << *itr << (next(itr) != a.end() ? ", " : ""); } os << "}"; return os; } template ostream &operator<<(ostream &os, const multiset &a) { os << "{"; for (auto itr = a.begin(); itr != a.end(); itr++) { os << *itr << (next(itr) != a.end() ? ", " : ""); } os << "}"; return os; } template ostream &operator<<(ostream &os, const map &a) { os << "{"; for (auto itr = a.begin(); itr != a.end(); itr++) { os << *itr << (next(itr) != a.end() ? ", " : ""); } os << "}"; return os; } struct setup { static constexpr int PREC = 20; setup() { cout << fixed << setprecision(PREC); cerr << fixed << setprecision(PREC); }; } setup; template struct mod_int { int v; mod_int(long long v_ = 0) : v(v_ % MOD) { if (v < 0) { v += MOD; } } static int mod() { return MOD; } int val() const { return v; } mod_int &operator+=(const mod_int &a) { if ((v += a.v) >= MOD) { v -= MOD; } return *this; } mod_int &operator-=(const mod_int &a) { if ((v += MOD - a.v) >= MOD) { v -= MOD; } return *this; } mod_int &operator*=(const mod_int &a) { v = (int)((long long)v * a.v % MOD); return *this; } mod_int &operator/=(const mod_int &a) { return *this *= a.inv(); } mod_int operator+() const { return *this; } mod_int operator-() const { return -v; } mod_int operator++() { return *this += 1; } mod_int operator--() { return *this -= 1; } mod_int operator++(signed) { const mod_int ret(*this); ++*this; return ret; } mod_int operator--(signed) { const mod_int ret(*this); --*this; return ret; } mod_int inv() const { int a = v, b = MOD, x = 1, u = 0; while (b) { int t = a / b; std::swap(a -= t * b, b), std::swap(x -= t * u, u); } return x; } mod_int pow(long long n) const { if (n < 0) { return pow(-n).inv(); } mod_int ret = 1, mul = *this; while (n) { if (n & 1) { ret *= mul; } mul *= mul, n >>= 1; } return ret; } friend bool operator==(const mod_int &a, const mod_int &b) { return a.v == b.v; } friend bool operator!=(const mod_int &a, const mod_int &b) { return std::rel_ops::operator!=(a, b); } friend mod_int operator+(mod_int a, const mod_int &b) { return a += b; } friend mod_int operator-(mod_int a, const mod_int &b) { return a -= b; } friend mod_int operator*(mod_int a, const mod_int &b) { return a *= b; } friend mod_int operator/(mod_int a, const mod_int &b) { return a /= b; } friend std::istream &operator>>(std::istream &is, mod_int &a) { long long v; is >> v, a = v; return is; } friend std::ostream &operator<<(std::ostream &os, const mod_int &a) { return os << a.v; } }; using mint = mod_int<998244353>; signed main() { int n; cin >> n; cout << mint(6).pow(n / 2) << endl; }