#include <string>
using namespace std;

const int MAX_LINES = 30;	// maximum # of lines in the document

class Document{
	public:
		Document();
		int getSize();
		void setSize(int newSize);
		string getLine(int index);
		void setLine(int index, string newLine);
	private:
		string docText[MAX_LINES];
		int size;
};