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