func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long i, t, n, m, c, d, a[100005];     cin >> n >> m;     if (n == 1 && m == 0) {       cout << 10000000;       return 0;     }     if (m < n / 2 || n < 2) {       cout << -1;       return 0;     }     c = 1000000000LL;     for (int i = n - 1; i > 1; i--) {       a[i] = c--;     }     int tem;     if (n % 2)       m = m - (n - 3) / 2;     else       m = m - (n - 2) / 2;     a[1] = m;     a[0] = m * 2;     for (__typeof(0) i = 0; i <= n - 1; i++) cout << a[i] <<    ;     return 0;   }   