//#define LOCAL #include #include #include #include #include #include #include #include #include #define int long long //typedef long long ll; #define rep(i,n) for(int i=0; i<(n); i++) #define MOD 1000000007 using namespace std; signed main() { #ifdef LOCAL ifstream in("input.txt"); cin.rdbuf(in.rdbuf()); #endif int N; cin >> N; if (N == 1) { cout << 1 << endl; return 0; } else if (N == 2) { cout << 6 << endl; return 0; } int kakeru = 15; int purasu = 13; int pre_ans = 6; for (int i=3; i<=N; i++) { pre_ans = pre_ans * kakeru; pre_ans %= MOD; kakeru += purasu; kakeru %= MOD; purasu += 4; purasu %= MOD; } cout << pre_ans << endl; }