func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long int n, res;     cin >> n;     while (1) {       if (n % 3 != 0) {         res = (n / 3) + 1;         break;       }       n = n / 3;     }     cout << res;     return 0;   }   