func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     int n;     cin >> n;     int a = 0, b = 0, r = 0;     while (true) {       a = (int)n / 36;       r = n % 36;       b = (int)r / 3;       if (r % 3 == 2) b += 1;       if (b >= 12)         n = b * 3 + a * 36;       else         break;     }     cout << a <<     << b << endl;     ;     return 0;   }   