func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string s;     int pearls = 0, links = 0;     cin >> s;     for (int i = 0; i < s.size(); i++) {       if (s[i] ==  - )         links++;       else         pearls++;     }     if (pearls == 0)       cout <<  yes  << endl;     else if (links % pearls == 0)       cout <<  yes  << endl;     else       cout <<  no  << endl;     return 0;   }   