public class Task290925 {
    public static void main(String[] args) {
        Boolean a = true;
        Boolean b = true;
        Boolean c = new Boolean(true);
        
        System.out.println((a == b) + " " + (a == c));
    }
}

import java.util.*;

public class Task300925 {
    public static void main(String[] args) {
        Set<Short> set = new HashSet<>();
        
        for (short i = 0; i < 10; i++) {
            set.add(i);
            set.remove(i - 1);
        }
        
        System.out.println(set.size());
    }
}

import java.util.*;

public class Task011025 {
    public static void main(String[] args) {
        Queue<Integer> queue = new LinkedList<>();
        queue.offer(1);
        queue.offer(2);
        queue.offer(3);
        
        ((LinkedList<Integer>) queue).removeLast();
        queue.poll();
        
        System.out.println(queue.peek());
    }
}

import java.util.*;

public class Task021025 {
    public static void main(String[] args) {
        Map<String, Integer> map1 = new HashMap<>();
        Map<String, Integer> map2 = new HashMap<>();
        
        map1.put("a", 1);
        map1.put("b", 1);
        
        map2.put("b", 1);
        map2.put("a", 1);
        
        System.out.println(map1.equals(map2));
        System.out.println(Objects.equals(map1, map2));
    }
}

import java.util.LinkedList;
import java.util.List;

public class Task031025 {
    public static void main(String[] args) {
        List<String> list = new LinkedList<>();
        list.add("A");
        list.add("B");
        list.add(1, "C");
        list.remove(0);
        list.remove(1);
        System.out.println(list);
    }
}