#include <iostream>

using namespace std;

const int MAX = 100;

class List
{	int length;
	int data[MAX];
public:
	List ()
	{	length = 0; }
	int Length()
	{	return length; }
	bool IsFull() const
	{	return  length == MAX;	}
	bool IsEmpty() const
	{	return length == 0;	}
	void Insert(int item)
	{	data[length] = item; length++; }
	void Print() const
	{	for(int i=0; i<length; i++)
			cout << data[i] << " ";
		cout << endl;
	}
};

int main()
{	int item;
	// Q. declare a List obj. list1?
	List list1;
	// Q. Out the length of list1?
	cout << "Length " << list1.Length() << endl;
	// Q. prompt, input, and insert items to list1?
	cout << "Input an integer? ";
	cin >> item;
	
	while(cin)
	{	
		list1.Insert(item);
		cout << "Input an integer? ";
        	cin >> item;
	}
	cout << "\n\nLength " << list1.Length() << endl;

	cout << "List1: ";
	
	list1.Print();

	cout << "Done.\n\n";
	return 0;
}