#include using namespace std; #define pb push_back #define mp make_pair #define all(x) (x).begin(),(x).end() #define rep(i,n) for(int i=0;i<(n);i++) constexpr int MOD = 1000000007; typedef long long ll; typedef unsigned long long ull; typedef pair pii; constexpr int dx[] = {1, 0, -1, 0, 1, 1, -1, -1}; constexpr int dy[] = {0, -1, 0, 1, 1, -1, -1, 1}; template ostream &operator<<(ostream &os, const vector &vec){os << "["; for (const auto &v : vec) {os << v << ","; } os << "]"; return os; } const int mod = 1e9 + 7; int fact(int N) { if (N == 1) return 1; return N * fact(N - 1) % mod; } void solve() { int N; cin >> N; if (N > 10) { cout << 0 << endl; return; } vector> dp(1 << N, vector(1 << N)); dp[0][0] = 1; for(int i = 0; i < 1 << N; i++) { for(int j = 0; j < 1 << N; j++) { for(int k = 0; k < N; k++) { if (!(i >> k & 1)) { dp[i | (1 << k)][j] += dp[i][j]; dp[i | (1 << k)][j] %= mod; } } for(int k = 0; k < N; k++) { if ((i >> k & 1) && !(j >> k & 1)) { dp[i][j | (1 << k)] += dp[i][j]; dp[i | (1 << k)][j] %= mod; } } } } cout << dp.back().back() * fact(N) << endl; } int main() { std::cin.tie(0); std::ios::sync_with_stdio(false); cout.setf(ios::fixed); cout.precision(16); solve(); return 0; }