import java.io.*; 
  
public class ThereYet2 
{ 
  public static void main(String[] argv) throws Exception 
  { 
    BufferedReader cin; 
    cin = new BufferedReader(new InputStreamReader(System.in)); 
  
    String answer; 
    do 
    { 
      System.out.print("Are we there yet? "); 
      answer = cin.readLine(); 
    } while (!answer.equals("yes")); 
  } // main 
} // public class