#include<stdio.h>

int swap(int*,int*);

int main()

{

int x,y;

scanf("%d%d",&x,&y);

printf("Before Swaping : x = %d, y = %d\n",x,y);

swap(&x,&y);

printf("After Swaping : x = %d, y = %d\n",x,y);

return 0;

}

int swap(int *a,int *b)

{

int temp=0;

temp=*b;

*b=*a;

*a=temp;

return 0;

}