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