//PROGRAM 3-4
class DemoDecrement {
  public static void main(String[] args) {		
		
    int a=5;
		
    System.out.println("Pre-decrement");
    System.out.println("a\t: " + a);
    System.out.println("--a\t: " + --a);
    System.out.println("a\t: " + a);
		
    int b=5;
		
    System.out.println("\nPost-decrement");
    System.out.println("b\t: " + b);
    System.out.println("b--\t: " + b--);
    System.out.println("b\t: " + b);			
  }
}