func_code_string: #include <bits/stdc++.h>   using namespace std;   using ll = long long;   using ld = long double;   const ll MAX = 1e18 + 1;   const int NN = 1e5 + 5;   const int mod = 1e9 + 7;   void solve() {     string s1;     cin >> s1;     char vow[] = { a ,  e ,  o ,  u ,  i };     vector<int> ans;     int i = 0;     while (i < s1.size()) {       set<char> s;       for (int j = i; j < min(i + 3, (int)s1.size()); j++) {         s.insert(s1[j]);       }       int cnt = 0;       if (s.size() != 1) {         for (auto ch : s) {           for (int y = 0; y < 5; y++) {             if (ch == vow[y]) cnt++;           }         }         if (cnt == 0) {           ans.push_back(i + 1);           i++;         }       }       i++;     }     int k = 0;     for (int y = 0; y < s1.size(); y++) {       cout << s1[y];       if (k < ans.size() && y == ans[k]) {         cout <<    ;         k++;       }     }   }   int main() {     ios::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     int tt = 1;     while (tt--) solve();     return 0;   }   