#include <iostream>
#include <string>

using namespace std;

class ntw
{
        public:
                string NumToWord( unsigned long number );

                unsigned long getNum();
                string getWord();

        private:
                void u20( unsigned long number, bool one);
                void tens( unsigned long number );
                void u100( unsigned long number, bool one );
                void u1000( unsigned long number, bool one );
                void thousand( unsigned long number );
                void million( unsigned long number );
                void milliard( unsigned long number );
                
                unsigned long varNum;
                string Nword;
};