//Trace #1
// Write all the output of this progam, and then 
//    create the program and run it to see whether your 
//    answers were correct.

#include <stdio.h>
int main(void){
int a, b, c;
int *ptr1, *ptr2;
/* initialization of variables */
a = 2; b = 4; c = 8;
ptr1 = &a; ptr2 = &c;
printf("a = %d, b = %d, c = %d\n", a, b, c);

c = *ptr2 + 7;
*ptr1 = b;
printf("a = %d, b = %d, c = %d\n", a, b, c);

ptr1 = ptr2;
*ptr1 *= 4;
printf("a = %d, b = %d, c = %d\n", a, b, c);

ptr2 = &b;
*ptr2 = *ptr1 +3;
a = *ptr2 / a;
printf("a = %d, b = %d, c = %d\n", a, b, c);
}