#include <iostream>
using namespace std;

// Node structure
class Node {
public:
    int data;
    Node* left;
    Node* right;

    Node(int value) {
        data = value;
        left = right = nullptr;
    }
};

int main() {
	Node* root = nullptr;

if (root != nullptr) {
    cout << "Tree is not empty";
}
else {
	cout << "Tree is  empty";
	
}
	return 0;
}