func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long a, b, c, d, e, f;     cin >> a >> b;     c = a / 2;     if (b < c || (a == 1 && b != 0))       cout << -1;     else if (a == 1 && b == 0)       cout << 1;     else if (b % c == 0) {       e = b / c;       if (b / c != 1) {         for (int i = 0; i < a; i++) {           cout << e <<    ;           e += (b / c);         }       } else {         for (int i = 0; i < a; i++) {           cout << e <<    ;           e += 1;         }       }     } else {       f = b / c;       e = b / c + b % c;       cout << e <<     << 2 * e <<     << f <<    ;       if (b / c != 1) {         for (int i = 3; i < a; i++) {           if (b / c + f != 2 * e && b / c + f != e)             cout << (b / c) + f <<    ;           else {             f += b / c;             cout << b / c + f <<    ;           }           f += (b / c);         }       } else {         for (int i = 3; i < a; i++) {           cout << (e * e + 1) + f <<    ;           f += 1;         }       }     }     return 0;   }   