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