func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);     int n, m, m1, arr[9] = {0}, num = 0, num1 = 0;     cin >> n >> m, m1 = m;     if (n == 1 && m == 0)       cout <<  0 0 ;     else if (9 * n < m || m == 0)       cout <<  -1 -1 ;     else {       num1 = 1;       while (m - (num1) > (n - 1) * 9) num1++;       cout << num1;       num += num1;       num1 = 0;       for (int i = 1; i < n; i++) {         while (m - (num1 + num) > (n - (i + 1)) * 9) num1++;         cout << num1;         num += num1;         num1 = 0;       }       num = 0;       cout <<    ;       for (int i = 8; i >= 0; i--) {         arr[i] = m1 / (i + 1);         m1 %= (i + 1);         num += arr[i];       }       for (int i = 8; i >= 0; i--)         while (arr[i]--) cout << i + 1;       while (num < n) cout <<  0 , num++;     }     return 0;   }   