import java.util.*;
public class Main {
public static void main(String[] args) {
List list1 = new LinkedList<>();
list1.add(1);
list1.add(1);
System.out.println(list1);
List list2 = Arrays.asList(1, 2, 3);
List list3 = new ArrayList<>();
System.out.println(4 % 3);
System.out.println(-5 % 3);
System.out.println(3 % 4);
System.out.println(-3 % -4);
System.out.println("Hello");
Object o = new Object();
int i = 4;
i *= 5;
System.out.println(i);
HashMap map = new HashMap();
String s = "";
// HashSet;
s.hashCode();
}
}