class One {
  public static void main(String[] args) {
    int i = 3; 

    i = i++ - ++i; 

    System.out.println( i ); 
 
    // i = 2; 

    i = i++; 

    System.out.println( i ); 

    i = ++i; 

    System.out.println( i ); 


  } 
}