func_code_string: #include <bits/stdc++.h>   using namespace std;   const unsigned long long O = 2e9;   const double E = 1e-9;   const double pi = 3.1415926536;   int DX[] = {1, -1, 0, 0};   int DY[] = {0, 0, 1, -1};   int main() {     int n, m;     cin >> n >> m;     int out = n * 2 + 1, in = 1;     if (m > n * 2) {       for (int i = 0; i < m; i++) {         if (i % 2 == 0 && out <= m)           cout << out++ <<    ;         else           cout << in++ <<    ;       }     } else       for (int i = 1; i <= m; i++) cout << i <<    ;   }   