public static void main(String[] args) {
ResizingArrayStack<String> strStack = new ResizingArrayStack<String>();
while (!StdIn.isEmpty()) {
String item = StdIn.readString();
if (!item.equals("-")) strStack.push(item);
else if (!strStack.isEmpty()) StdOut.print(strStack.pop() + " ");
}
for (String s : strStack) StdOut.println(s);
StdOut.println("(" + strStack.size() + " left on stack)");
}
public static void main(String[] args) throws EmptyStackException {
Scanner input = new Scanner(new BufferedInputStream(System.in));
PrintWriter output = new PrintWriter(new OutputStreamWriter(System.out), true);
ResizingArrayStack<String> stack = new ResizingArrayStack<String>();
while (input.hasNext()) {
String s = input.next();
if (!s.equals("-")) stack.push(s);
else if (!stack.isEmpty()) output.println(stack.pop());
}
output.println("stack contains " + stack.size() + " items");
for (String s : stack) output.println(s);
}