public class Complex {

  public static void main (String[] argv)
  {
    Integer I = new Integer (1);
    Double D = new Double (2.0);

    Complex c1 = new Complex (1, 2);
    Complex c2 = new Complex (I, D);
    Complex c3 = new Complex (I, I);

    System.out.println (c1);
    System.out.println (c2);
    System.out.println (c3);
    
    if (c1.equals (c2))
      System.out.println ("c1 and c2 are equal");
    if (c1.equals (c3))
      System.out.println ("c1 and c3 are equal");
    if (c2.equals (c3))
      System.out.println ("c2 and c3 are equal");
  }
  

}