text: #include <iostream>
  #include <cctype>
  #include <string.h>
  using namespace std;
  
  int main()
  {
      char s[21], vocale[20] = "aeiou";
      cin.get(s, 21);
      strlwr(s);
      for(int i = 0; i < strlen(s); i++)
      {
          if(strchr(vocale, s[i]))
          {
              s[i] = toupper(s[i]);
          }
      }
  
      cout<<s;
      return 0;
  }
  