package question;

/**
 * @author Roderland
 * @since 1.0
 */
public class Question476 {
 public static void main(String[] args) {
 System.out.println(new Question476().findComplement(5));
 }
 public int findComplement(int num) {
 return ~num&(Integer.highestOneBit(num)<<1)-1;
 }
}