func_code_string: #include <bits/stdc++.h>   using namespace std;   const long long int Maxn = 20 + 5, Mod = 1e9 + 7, Inf = 1e9;   int n, p[Maxn], ansss, m, fac[Maxn];   bool mrk[Maxn], mark[Maxn];   int ans[] = {1,         0, 18,        0, 1800,      0, 670320,    0,                734832000, 0, 890786230, 0, 695720788, 0, 150347555, 0};   int main() {     ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);     cin >> n;     cout << ans[n - 1] <<   n ;     return 0;   }   