// Stack client
// COMP1521 18s1

#include <stdio.h>
#include "Stack.h"

int main(void)
{
   Stack myStack; // uninitialized Stack
   int   x;       // variable to hold inputs
   printf("Hello\n");
   initStack(&myStack);
   while (scanf("%d",&x) == 1) {
      if (x < 0) break;
      if (!pushStack(&myStack, x)) break;
      showStack(myStack);
   }
   printf("Now we pop ...\n");
   while (!isEmptyStack(myStack)) {
      printf("%d\n", popStack(&myStack));
   }
   return 0;
}