#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; using ll = long long; using ull = unsigned long long; using PII = pair; using PLL = pair; template ostream& operator<<(ostream& s, const pair& p) { return s << "(" << p.first << ", " << p.second << ")"; } template ostream& operator<<(ostream& s, const vector& v) { s << "["; for (int i = 0; i < v.size(); i++) s << (i == 0 ? "" : ", ") << v[i]; s << "]"; return s; } #define ALL(a) (a).begin(), (a).end() const ll MOD = 1000 * 1000 * 1000 + 7; const ll SIZE = 50000000; ll bucket[30] = { 664720426, 513130043, 845183989, 889311046, 297511867, 341295439, 948482493, 451428770, 249964821, 688320104, 641980953, 824712048, 809640425, 987826843, 682842592, 490277708, 856048785, 25069543, 264355931, 859885879, 999994967, 1, 1, 1, 1, 1, 1, 1, 1, 1 }; int main() { ll n; cin >> n; if (n >= MOD) { cout << 0 << endl; return 0; } if (n == MOD - 1) { cout << MOD - 1 << endl; return 0; } ll x = 1; for (ll b_i = 0; b_i < 30; b_i++) { if (n >= (b_i + 1) * SIZE) { x = (x * bucket[b_i]) % MOD; continue; } for (ll m = max(1LL, b_i * SIZE); m <= n; m++) { x = (x * m) % MOD; } break; } cout << x << endl; return 0; }