#include <stdio.h>
void swap(int *p1, int *p2) {
// Your logic here
int temp=*p1; //get the value at address p1 and store in temp
*p1=*p2; //put the value at p1 in the address p2
*p2=temp; //put the value at p2 in p1 address
}
int main() {
int a, b;
scanf("%d %d", &a, &b);
swap(&a, &b);
printf("a = %d ", a);
printf("b = %d", b);
return 0;
}