/* An example program that uses King's stack implementation
 * - Takes input from standard input, to EOF, prints out input backwards
 * by popping it off the stack. 
 */

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

int main () {
  int ch;
  make_empty();
  while ((ch = getchar()) != EOF) {
    push(ch);
  }     
  while(!is_empty()) {
    putchar(pop());
  }
  return (1);
}