#include <stdio.h>
void swap(int *p1, int *p2) {
// Your logic here
int tmp = *p1; //Store the value of p1 in a temporary variable, temp.
*p1 = *p2;
*p2 = tmp;
}
int main() {
int a, b;
scanf("%d %d", &a, &b);
swap(&a, &b);
printf("a = %d ", a);
printf("b = %d", b);
return 0;
}