func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, ans[16];   int main() {     ios_base::sync_with_stdio(false);     cin.tie(0);     cout.tie(0);     cin >> n;     if (!(n & 1)) {       cout << 0 <<   n ;       return 0;     }     ans[1] = 1;     ans[3] = 18;     ans[5] = 1800;     ans[7] = 670320;     ans[9] = 734832000;     ans[11] = 890786230;     ans[13] = 695720788;     ans[15] = 150347555;     cout << ans[n] <<   n ;     return 0;   }   