func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     cin >> n;     cout << (n <= 2  ? n              : n % 2 ? (long long)n * (n - 1) * (n - 2)              : n % 3 ? (long long)n * (n - 1) * (n - 3)                      : (long long)(n - 1) * (n - 2) * (n - 3))          <<   n ;     return 0;   }   