import javax.swing.JOptionPane;


public class Vocali
{
	
	public static void main(String[] args){
	  char vocale = (JOptionPane.showInputDialog("Inserire vocale")).charAt(0);
	  String a = JOptionPane.showInputDialog("Inserire stringa");
	  int lung = a.length();
	  for (int i=0; i<lung; i++) {
	    if (a.charAt(i) == 'a' || a.charAt(i) == 'e' || 
	        a.charAt(i) == 'i' || a.charAt(i) == 'o' || 
	        a.charAt(i) == 'u')
	           a= a.replace(a.charAt(i), vocale);
	  }
	  System.out.println(a);
	  System.exit(0);
	  
	}
}