#include <iostream>

using namespace std;
class Node{
	public:
		int value;
		Node * left;
		Node * right;
		
	public:
		Node(int value);
		~Node();	
};
class Solution {
public:
	Node* searchBST(Node* t, int num) {
		
		if (t == NULL || t->value == num) {
			return t;
		}	
		if(num<t->value) {
			return searchBST(t->left, num);
		}
		else {
			return searchBST(t->right, num);
		}
	}
	
};
int main(int argc, char *argv[]) {
	
}