#include <stdio.h>

#define SIZE 10

static int top = -1;
int stack[SIZE];

int isEmpty()
{
  if (-1 == top) return 1;
  else return 0;
}

int isFull()
{
  if (SIZE == top) return 1;
  else return 0;
}

void push(int p_variable)
{
  if (!isFull())
  {
    top = top + 1;
    stack[top] = p_variable;
  }
  else
  {
    printf("Stack is full.\n");
  }
}

int pop()
{
  int tmp;

  if (!isEmpty())
  {
    tmp = stack[top];
    top = top - 1;
    return tmp;
  }
  else
  {
    printf("Stack is empty.\n");
  }
}

void main()
{
prin
  push(3);
  push(2);
  push(7);
  push(1);
  push(10);

  printf("Stack has items:\n");

    while (!isEmpty())
    {
      int tmp = pop();
      printf("%d\n", tmp);
    }
}