#include <stdio.h>
#include <stdio.h>
void swap_pointers(int **p1, int **p2) {
// Your logic here
int *temp = *p1; // address of "p1" either &p1 or *p1 || value **p1
*p1 = *p2; // address of "p2" either &p2 or *p2
*p2 = temp; // since single pointer is used need to pass 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;
}