import java.util.*;

class stackdemo {
    public static Stack<Integer> S = new Stack<Integer>();

    public static void main(String[] args) {
        int temp;

        S.push(3);
        S.push(4);
        S.push(1);
        S.push(10);
        S.push(20);
        S.push(30);

        System.out.println("1st element poped from the stack:");
        temp = S.pop();
        System.out.println(temp);

        System.out.println("2nd element poped from the stack:");
        temp = S.pop();
        System.out.println(temp);

        System.out.println("Remaining elements");
        while (!S.empty()) {
            System.out.println(S.pop());
        }
    }


}