#include <stdio.h>
int main()
{
	int *ptr1, *ptr2, *ptr3, i = 10, j = 20, k = 30;

	ptr1 = &i;
	i = 100;

	ptr2 = &j;
	j = *ptr2 + *ptr1;

	ptr3 = &k;
	k = *ptr3 + *ptr2;
	printf("%d %d %d\n", *ptr1, *ptr2, *ptr3);

}