Help me in solving CLB032 problem

My issue

Failed in hidden task

My code

#include <stdio.h>
#include <stdbool.h>

int main() {
	// your code goes her
	bool x= true;
	bool y= false;
	printf("%b%b\n",x,y);
	
}


Learning course: Programming and Problem solving using C
Problem Link: https://www.codechef.com/learn/course/ciet-programming-c/CIETPC07/problems/CLB032