#include <bits/stdc++.h>
using namespace std;
struct Node
{
    int data;
    struct Node* left;
    struct Node* right;

    Node(int val)
    {
        data = val;
        left = NULL;
        right =   NULL;
    }
    
};

int main()
{
    struct Node* root = new Node(1);
    root->left = new Node(2);
    root->right = new Node(5);
    root->left->right = new Node(3);

}