func_code_string: #include <bits/stdc++.h>   int main() {     int m, s, c, i;     std::cin >> m >> s;     c = s;     if (m == 1 && c == 0)       std::cout << 0 <<     << 0;     else {       if (c == 0 || c > (9 * m)) {         std::cout << -1 <<     << -1;       } else {         for (i = m; i > 0; i--) {           if (c <= 9 * (i - 1)) {             if (i == m) {               std::cout << 1;               c--;             } else               std::cout << 0;           } else {             std::cout << (c - 9 * (i - 1));             c = 9 * (i - 1);           }         }         std::cout <<    ;         c = s;         for (i = m - 1; i >= 0; i--) {           if (c <= 9) {             std::cout << c;             c = 0;           } else {             std::cout << 9;             c = c - 9;           }         }       }     }     return 0;   }   