/* WAP to swap two integer variable without
using third  variable */
// using Approch Mode : complex, fast, less time consumimg

#include<stdio.h>
#include<math.h>
int main() {
	int a = 4, b = 6;
	printf("Before Swap : A = %d, B = %d", a, b);
	a = a ^ b;
	b = a ^ b;
	a = a ^ b;
	printf("\nAfter Swap : A = %d, B = %d", a, b);
	return 0;
}