func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string s;     cin >> s;     string t =   ;     for (int i = 0; i < s.length(); i++) {       if (s[i] !=  a  && s[i] !=  e  && s[i] !=  i  && s[i] !=  o  &&           s[i] !=  u  && s[i] !=  y  && s[i] !=  Y  && s[i] !=  A  &&           s[i] !=  E  && s[i] !=  I  && s[i] !=  O  && s[i] !=  U ) {         t += s[i];       }     }     string p =   ;     for (int i = 0; i < t.length(); i++) {       char c = t[i];       if (isupper(c)) {         p += tolower(c);       } else {         p += c;       }     }     string l =   ;     for (int i = 0; i < p.length(); i++) {       l +=  . ;       l += p[i];     }     cout << l;   }   