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