func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios::sync_with_stdio(false);     ;     int n, m;     cin >> n >> m;     int dem = 0;     if (m % n != 0) {       cout << -1;       return 0;     }     int sum = m / n;     while (sum % 2 == 0) {       sum /= 2;       dem++;     }     while (sum % 3 == 0) {       sum /= 3;       dem++;     }     if (sum == 1)       cout << dem;     else       cout << -1;     return 0;   }   