Write a function that checks whether a number is even or not using bit manipulation.

Difficulty level
This exercise is mostly suitable for students 
#include<stdio.h>
#include<conio.h>

int isEven(int nb)
{
	return !(nb & 1);
}

void main()
{
	int a;
	printf("Enter an integer: ");
	scanf("%d", &a);

 
	if (isEven(a))
		printf("%d is even.\n",a);
	else
		printf("%d is odd.\n", a);
 
	getch();
}
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