What is the output(#29)?

Question

#include <stdio.h>

int main()

{

int *ptr1, *ptr2, *ptr3, i = 1, j = 2, k = 3;

ptr1 = &i;

ptr2 = &j;

ptr3 = &k;

*ptr1 = *ptr2 = *ptr3;

k = i + j;

printf("%d\n", *ptr3);

return 0;

}

 

References: C From Theory