class J02E07
{
   public static void main(String[] args)
   {
      int x, y, z;
      
      x = 4;
      y = x++ + 5;
      System.out.println("x = " + x + " y = " + y);
      
      x = 4;
      y = ++x + 5;
      System.out.println("x = " + x + " y = " + y);
      
      x = 4;
      y = x-- * 5;
      z = --x * 5;
      System.out.println("x = " + x + " y = " + y + " z = " + z);
   }
}