import java.util.Scanner;
/**
 * Write a description of class TestProgram here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
public class TestProgram
{
    
    public static void main() {
        
        Scanner input = new Scanner(System.in);
        boolean ok = false;
        String choice = "";
        
        
        do {
            
            System.out.print("Do you want coffee or tea? > ");
            choice = input.nextLine().toLowerCase();
            
            ok = (choice.equals("coffee") || choice.equals("tea") );
            
            if (!ok ) System.out.println("Sorry we aren't serving " + choice);
            
        } while ( !ok );
        
        System.out.println("Your " + choice + " is ready.");
        
    }
    
    
}