#pragma GCC optimize("Ofast") //#ifndef ONLINE_JUDGE //#define _GLIBCXX_DEBUG //#endif #ifdef ONLINE_JUDGE #include #endif #include #include #include #include #include using namespace std; #ifdef ONLINE_JUDGE using namespace atcoder; #endif #define rep(i,n) for (int i = 0;i < (int)(n);i++) using ll = long long; #ifdef ONLINE_JUDGE //using mint = modint998244353; //using mint = modint; using mint = modint1000000007; #endif //const ll MOD=1000000007; const ll MOD=998244353; const long long INF = 1LL << 60; const double pi=acos(-1.0); int dx[9] = {1, 0, -1, 0, 1, 1, -1, -1, 0}; int dy[9] = {0, 1, 0, -1, 1, -1, -1, 1, 0}; template inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } //https://qiita.com/drken/items/3b4fdf0a78e7a138cd9a ll mod_pow(long long x, long long n) { long long ret = 1; while (n > 0) { if (n & 1) ret = ret * x % MOD; // n の最下位bitが 1 ならば x^(2^i) をかける x = x * x % MOD; n >>= 1; // n を1bit 左にずらす } return ret; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); // cout << fixed << setprecision(15); ll N; cin>>N; cout<