What is the output(#32)?

Question

#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);

return 0;

           }