#include <stdio.h>

int main()
{
   int x,y,*a,*b,temp;

   printf("Give the value of x and y\n");
   scanf("%d %d", &x, &y);

   a = &x;
   b = &y;

   temp = *b;
   *b = *a;
   *a = temp;

   printf("after the swap \n%d %d", x, y);

   return 0;
}