#include #include #include #include #include #include #include using namespace std; using ll = long long; constexpr int P = 1000000007; int main() { int n; cin >> n; ll r = 1; for (int i = 1; i <= n; i++) { r *= i; r %= P; } for (int i = 0; i < n; i++) { ll k = i * 2; r *= ((k + 1) * (k + 2) / 2) % P; r %= P; } cout << r << endl; return 0; }