func_code_string: #include <bits/stdc++.h>   #pragma comment(linker,  /STACK:64000000 )   using namespace std;   const int maxn = 3000000;   const long long MANY = 1000000;   int main() {     long long n;     cin >> n;     while (n % 3 == 0) n /= 3;     long long ans = (n % 3 ? 1 : 0) + n / 3;     cout << ans << endl;     return 0;   }   