#include <stdio.h>
void swap_pointers(int **p1, int **p2) {
// Your logic here
int temp;
temp=*(*p1);
*(*p1)=*(*p2);
*(*p2)=temp;
}
int main() {
int a, b;
scanf("%d %d", &a, &b);
int *p1 = &a;
int *p2 = &b;
swap_pointers(&p1, &p2);
printf("%d %d", *p1, *p2);
return 0;
}