func_code_string: #include <bits/stdc++.h>   using namespace std;   long long Tc, a, b, n, m;   int main() {     long long ans = 0;     cin >> n >> m;     if (m % n != 0) {       cout <<  -1 n ;       return 0;     }     m /= n;     while (m % 2 == 0) {       m /= 2;       ans++;     }     while (m % 3 == 0) {       m /= 3;       ans++;     }     (m > 1) ? cout <<  -1  : cout << ans;     return 0;   }   