func_code_string: #include <bits/stdc++.h>   using namespace std;   const long long INF = 1e9;   int c2i(char c) {     if (c <=  9 ) return c -  0 ;     return c -  A  + 10;   }   long long conv(string num, int base) {     long long res = 0;     for (int i = 0; i < (int)num.length(); i++) {       if (c2i(num[i]) >= base) return INF;       res = res * base + c2i(num[i]);     }     return res;   }   int main() {     string inp, h, m;     cin >> inp;     for (int i = 0; i < (int)inp.length(); i++)       if (inp[i] ==  : ) inp[i] =    ;     istringstream sin(inp);     sin >> h >> m;     vector<int> res;     for (int base = 2; base <= 100; base++)       if (conv(h, base) < 24 && conv(m, base) < 60) res.push_back(base);     if (res.empty())       cout << 0 << endl;     else if (res.back() == 100)       cout << -1 << endl;     else {       for (int i = 0; i < (int)res.size(); i++) cout << res[i] <<    ;       cout << endl;     }     return 0;   }   