import java.io.*;

public class Driver {
	public static void main(String[] args) {
		Student s1 = new Student("Bob", 123);
		Student s2 = new Student("Bob", 123);
		Student s3 = new Student("Bob", 12);
		Student s4 = new Student("Dave", 123);
		Student s5 = new Student("Dave", 12);
		
		System.out.println(s1 == s2);
		System.out.println(s1.equals(s2));
		System.out.println(s1.equals(s3));
		System.out.println(s1.equals(s4));
		System.out.println(s1.equals(s5));
	}
}