import MailTask.BigNum;

import java.io.*;
import java.util.*;

public class Main {
    public static void main (String[] args) throws IOException {
        BigNum b1 = new BigNum();
        BigNum b2 = new BigNum("110");
        BigNum b3 = new BigNum(b2);
        System.out.println("b1 := " + b1);
        System.out.println("b2 := " + b2);
        System.out.println("b3 := " + b3);
        System.out.println("b3.equals(b2) -> " + b3.equals(b2));
        System.out.println("b1.isZero() -> " + b1.isZero());
        System.out.println("b2.isZero() -> " + b2.isZero());
        System.out.println("b2.equals(b1) -> " + b2.equals(b1));
    }
}