#include <iostream>
#include <string>

int main()
{
  string s = "Hello World!";
  
  for(size_t i=0;i<s.length();++i)
    switch(s[i])
      {
      case 'a':
      case 'e':
	cout.put('*');
      case 'i':
      case 'o':
      case 'u':
      case 'y':
	cout.put('*');
	break;
      default:
	cout.put(s[i]);
	break;
      }
  cout << endl;
  return 0;
}