Swap two variables using XOR | C program

#include<stdio.h>

int main()
{
 int a,b;
 printf("Enter 1st Variable : ");
 scanf("%d",&a);
 printf("\nEnter 2nd Variable : ");
 scanf("%i",&b);
  a ^= b;
  b ^= a;
  a ^= b;
 printf("A : %d",a);
 printf("\nB : %d",b);
 return 0;
}

Bhuvan Arora